{
  "schemaVersion": "stablecoin-research-v1",
  "campaignId": "stablecoin-v4",
  "assignmentId": "R4",
  "asOfUtc": "2026-09-16T03:33:41Z",
  "scopeWindow": {"start": "2020-01-01", "end": "2021-12-31"},
  "coverage": {
    "searchedChains": ["Ethereum", "BNB Smart Chain", "Polygon PoS", "Fantom Opera"],
    "searchedFamilies": ["Frax/FRAX v1", "Iron Finance IRON/STEEL/TITAN", "Fei Protocol FEI/TRIBE", "Olympus OHM", "Tomb Finance TOMB/TSHARE/TBOND", "Basis-style seigniorage ancestry"],
    "deepCaseIds": ["R4-P001", "R4-P002", "R4-P003"],
    "completenessClaim": false,
    "stoppingReason": "Stopped after versioned mechanism and outcome evidence for the three required deep families and primary descriptions for the two mandated adjacent families; bounded time was reserved for both artifacts and validation. The report records the unresolved discovery queue."
  },
  "protocols": [
    {
      "id": "R4-P001", "name": "Frax v1", "aliases": ["FRAX", "Frax Protocol", "FXS"], "chains": ["Ethereum"],
      "eligibility": {"status": "included", "reason": "USD-targeting fractional-reserve protocol launched and materially active in the window.", "claimIds": ["R4-C001", "R4-C002"]},
      "researchDepth": "deep", "classification": ["USD peg", "fractional-algorithmic", "external collateral", "endogenous share token"], "targetUnit": "1 USD per FRAX",
      "lineage": [],
      "deployments": [
        {"chain": "Ethereum", "address": "0x853d955aCEf822Db058eb8505911ED77F175b99e", "verified": null, "sourceIds": ["R4-S003"]},
        {"chain": "Ethereum", "address": "0x3432B6A60D23Ca0dFCa7761B7ab56459D9C964D0", "verified": true, "sourceIds": ["R4-S004"]}
      ],
      "versions": [
        {"id": "R4-P001-V1", "label": "FRAX v1 base fractional-algorithmic mechanism", "startDate": "2020-12-20", "endDate": null,
         "tokenRoles": "FRAX is the USD-targeting liability; FXS is governance/value-accrual and the endogenous mint/burn absorption asset.",
         "backing": "External collateral in approved pools plus the market value/dilution capacity of FXS for the uncollateralized fraction.",
         "redemption": "At 100% CR, collateral; at fractional CR, collateral plus newly minted FXS; at 0% CR, FXS. Redemption and collection were split across calls.",
         "supplyPolicy": "Minting burned/provided FXS for the algorithmic fraction; redemptions burned FRAX and minted FXS. Market price above/below $1 lowered/raised target CR at configured cadence.",
         "debtAndIncentives": "Permissionless recollateralization rewarded external collateral with equal-value FXS plus 0.75%; excess collateral enabled FXS buyback.",
         "oracle": "Uniswap TWAP market inputs plus Chainlink USD pricing according to v1 repository documentation.",
         "governanceAndAdmin": "Owner/timelock and pool roles could configure oracles, pools, fees, ceilings and pauses; exact historical role holders were not reconstructed.",
         "liquidityDependencies": "FXS market depth is essential to realize the endogenous redemption leg; collateral pools have ceilings and AMM liquidity affects exit execution.",
         "claimIds": ["R4-C001", "R4-C002", "R4-C003", "R4-C004", "R4-C005", "R4-C006", "R4-C007"]}
      ],
      "incidents": [
        {"date": null, "versionId": "R4-P001-V1", "type": "redesign", "summary": "The v1 base mechanism was retired as Frax moved to later AMO and collateral-policy versions.", "beneficiaries": "FRAX users gained broader later stabilization machinery.", "lossBearers": "No specific loss allocation established by the cited retirement evidence.", "outcome": "Protocol continued; later mechanics must not be projected back onto v1.", "claimIds": ["R4-C008"]}
      ],
      "sourceIds": ["R4-S001", "R4-S002", "R4-S003", "R4-S004"], "claimIds": ["R4-C001", "R4-C002", "R4-C003", "R4-C004", "R4-C005", "R4-C006", "R4-C007", "R4-C008"]
    },
    {
      "id": "R4-P002", "name": "Iron Finance IRON", "aliases": ["IRON", "TITAN", "STEEL"], "chains": ["BNB Smart Chain", "Polygon PoS"],
      "eligibility": {"status": "included", "reason": "Two separate chain deployments of a USD-targeting fractional-reserve mechanism were active in 2021.", "claimIds": ["R4-C009", "R4-C010"]},
      "researchDepth": "deep", "classification": ["USD peg", "fractional-algorithmic", "cross-chain separate liabilities", "endogenous share token"], "targetUnit": "1 USD per chain-specific IRON",
      "lineage": [{"relatedName": "Frax", "relationship": "Mechanism/code family described by contemporary analysis as Frax-like; exact fork commit unresolved.", "evidenceClaimIds": ["R4-C011"]}],
      "deployments": [
        {"chain": "Polygon PoS", "address": "0xD86b5923F3AD7b585eD81B448170ae026c65ae9a", "verified": true, "sourceIds": ["R4-S007"]},
        {"chain": "Polygon PoS", "address": "0xaAa5B9e6c589642f98a1cDA99B9D024B8407285A", "verified": null, "sourceIds": ["R4-S008"]},
        {"chain": "BNB Smart Chain", "address": "0x7b65B489fE53FCE1f6548Db886C08ad73111DDd8", "verified": true, "sourceIds": ["R4-S009"]},
        {"chain": "BNB Smart Chain", "address": "0x9001Ee054F1692fEF3A48330cB543b6FEc6287Eb", "verified": false, "sourceIds": ["R4-S010"]}
      ],
      "versions": [
        {"id": "R4-P002-V1", "label": "BSC IRON with STEEL", "startDate": null, "endDate": null,
         "tokenRoles": "IRON is the USD-targeting liability; STEEL is the endogenous share/seigniorage token.", "backing": "BUSD external collateral plus dynamically valued STEEL.",
         "redemption": "Fractional redemption into BUSD and STEEL; exact contemporaneous parameter snapshot was not recovered.", "supplyPolicy": "Mint/redeem arbitrage with dynamic collateral ratio.",
         "debtAndIncentives": "STEEL farming/share incentives; exact emissions snapshot unresolved.", "oracle": "Price/oracle design was functionally equivalent to Polygon according to the event study; exact BSC feeds unresolved.",
         "governanceAndAdmin": "Iron Finance administered deployment; exact roles unresolved.", "liquidityDependencies": "BUSD/IRON and STEEL market liquidity; deployment was not fungible or arbitrageable with Polygon IRON.",
         "claimIds": ["R4-C009", "R4-C010", "R4-C015"]},
        {"id": "R4-P002-V2", "label": "Polygon IRON with TITAN", "startDate": "2021-05-18", "endDate": "2021-06-17",
         "tokenRoles": "IRON is the USD-targeting liability; TITAN is the endogenous share/seigniorage and redemption token.", "backing": "USDC external collateral plus dynamically valued TITAN; effective external collateral was about 75% during the run.",
         "redemption": "IRON redemption returned USDC for the external fraction and newly minted TITAN for the balance, with TITAN valued by a ten-minute weighted average.",
         "supplyPolicy": "Mint/redeem arbitrage; target CR could rise by 0.25 percentage points per hour.", "debtAndIncentives": "TITAN emissions/farming and share-token upside supported demand but imposed dilution during redemptions.",
         "oracle": "Ten-minute weighted-average TITAN valuation diverged sharply from spot during the collapse.", "governanceAndAdmin": "Iron Finance could intervene with excess reserves; exact admin role map unresolved.",
         "liquidityDependencies": "USDC/IRON and TITAN pools; redemption realization depended on TITAN spot depth and available USDC.",
         "claimIds": ["R4-C009", "R4-C011", "R4-C012", "R4-C013", "R4-C014"]}
      ],
      "incidents": [
        {"date": "2021-06-16", "versionId": "R4-P002-V2", "type": "bank-run/liquidity and economic insolvency spiral", "summary": "Large TITAN sales after a price run-up made TWAP exceed spot; authorized mint/redeem paths overvalued TITAN, IRON broke peg, and slow CR adjustment could not catch up.", "beneficiaries": "Early/larger exiters and arbitrageurs able to transact against stale valuation.", "lossBearers": "TITAN holders through dilution/collapse, LPs through reserve composition, and late IRON holders through depleted liquidity and discount.", "outcome": "TITAN approached zero; IRON ultimately traded near residual USDC backing after transiently falling below it; reserve intervention failed.", "claimIds": ["R4-C011", "R4-C012", "R4-C013", "R4-C014"]},
        {"date": "2021-06-16", "versionId": "R4-P002-V1", "type": "contagion without peg failure", "summary": "STEEL declined but BSC IRON did not break peg in the studied interval.", "beneficiaries": "BSC IRON holders retained contemporaneous peg liquidity.", "lossBearers": "STEEL holders bore price decline.", "outcome": "Shows chain-local trigger/liquidity mattered; does not prove structural safety.", "claimIds": ["R4-C015"]}
      ],
      "sourceIds": ["R4-S005", "R4-S006", "R4-S007", "R4-S008", "R4-S009", "R4-S010"], "claimIds": ["R4-C009", "R4-C010", "R4-C011", "R4-C012", "R4-C013", "R4-C014", "R4-C015"]
    },
    {
      "id": "R4-P003", "name": "Fei Protocol", "aliases": ["FEI", "TRIBE", "Tribe DAO"], "chains": ["Ethereum"],
      "eligibility": {"status": "included", "reason": "USD-targeting protocol-controlled-liquidity experiment launched in 2021, later redesigned and shut down.", "claimIds": ["R4-C016", "R4-C017"]},
      "researchDepth": "deep", "classification": ["USD peg", "protocol controlled value", "protocol owned liquidity", "direct incentives"], "targetUnit": "1 USD per FEI",
      "lineage": [],
      "deployments": [
        {"chain": "Ethereum", "address": "0x956F47F50A910163D8BF957Cf5846D573E7f87CA", "verified": true, "sourceIds": ["R4-S013", "R4-S014"]},
        {"chain": "Ethereum", "address": "0xc7283b66Eb1EB5FB86327f08e1B5816b0720212B", "verified": null, "sourceIds": ["R4-S013"]},
        {"chain": "Ethereum", "address": "0x7842186CDd11270C4Af8C0A99A5E0589c7F249ce", "verified": null, "sourceIds": ["R4-S013"]}
      ],
      "versions": [
        {"id": "R4-P003-V1", "label": "FEI v1 genesis/direct incentives", "startDate": "2021-04-03", "endDate": "2021-12-15",
         "tokenRoles": "FEI is the USD-targeting token; TRIBE governs PCV and receives staking/IDO allocations.", "backing": "ETH contributed through genesis/bonding curve became protocol-owned PCV, initially concentrated in protocol-owned FEI/ETH liquidity; it was not user-withdrawable collateral.",
         "redemption": "At launch, ordinary holders exited through secondary markets; no general one-FEI-for-one-dollar withdrawal claim on PCV. Genesis token redemption meant claiming allocated FEI/TRIBE, not redeeming FEI for ETH.",
         "supplyPolicy": "Bonding-curve issuance above peg; below peg, direct incentives minted buyer rewards and burned seller balances; PCV reweights could buy and burn FEI.",
         "debtAndIncentives": "TRIBE liquidity mining; direct buyer reward/seller penalty. PCV absorbed market operations.", "oracle": "Uniswap pool price and ETH/USD oracle inputs controlled direct incentives and reweights.",
         "governanceAndAdmin": "TRIBE governance controlled PCV allocation and privileged minter/burner/PCV-controller roles; guardians could pause components.", "liquidityDependencies": "Exit depended on AMM depth and composition; protocol ownership prevented core LP withdrawal but did not guarantee par redemption.",
         "claimIds": ["R4-C016", "R4-C017", "R4-C018", "R4-C019"]},
        {"id": "R4-P003-V2", "label": "FEI v2 reserve framework", "startDate": "2021-12-15", "endDate": "2022-09-27",
         "tokenRoles": "FEI remained the USD liability; TRIBE served governance and a designed recapitalization/backstop role.", "backing": "Diversified PCV tracked by collateralization oracles, with stabilizers and peg modules.",
         "redemption": "Later stabilizers/PSMs provided more explicit reserve exchange paths than genesis; exact date-by-date caps are unresolved.", "supplyPolicy": "Rate-limited minters, reserve stabilizer and peg modules replaced reliance on original direct incentives.",
         "debtAndIncentives": "TRIBE backstop inflation below collateralization targets, paired with equity/buyback rationale.", "oracle": "V2 collateralization oracle and resistant-balance components.",
         "governanceAndAdmin": "DAO, optimistic timelock and contract-level admin/guardian roles.", "liquidityDependencies": "Curve/Uniswap and diversified PCV; governance could allocate reserves and configure modules.",
         "claimIds": ["R4-C021", "R4-C022"]},
        {"id": "R4-P003-V3", "label": "Tribe DAO dissolution/redemption", "startDate": "2022-09-27", "endDate": null,
         "tokenRoles": "FEI is redeemable against seeded DAI; TRIBE is residual claim token; eligible Fuse victims use separate capped claims.", "backing": "DAI seeded for circulating FEI after protocol-owned FEI burn, plus residual asset basket for TRIBE and allocated FEI for Fuse claims.",
         "redemption": "Immutable FEI/DAI 1:1 wrapper; capped Merkle exchange for eligible Fuse cTokens; pro-rata TRIBE redemption in listed assets.", "supplyPolicy": "Wind-down burns protocol-owned FEI and ends active monetary development.",
         "debtAndIncentives": "Shutdown establishes explicit seniority rather than ongoing incentives.", "oracle": null,
         "governanceAndAdmin": "DAO-authorized shutdown; dripper pause/rate limit guarded Merkle funding while primary wrapper was intended immutable.", "liquidityDependencies": "Sufficient DAI seed for circulating FEI and funding of capped claimant contracts.",
         "claimIds": ["R4-C023"]}
      ],
      "incidents": [
        {"date": "2021-04-03", "versionId": "R4-P003-V1", "type": "launch liquidity crisis/depeg", "summary": "Excess genesis supply sold below peg; direct sell penalties worsened practical exit and generic interfaces obscured them.", "beneficiaries": "Buyers able to acquire discounted FEI and recipients of configured buy incentives.", "lossBearers": "Sellers paid burn penalties and holders bore market discount.", "outcome": "Governance changed mechanics; later versions added explicit stabilization/redemption tools.", "claimIds": ["R4-C018"]},
        {"date": "2021-04-06", "versionId": "R4-P003-V1", "type": "unexploited code/economic vulnerability", "summary": "A reported direct-incentive bypass could have repeatedly drained about 1,410 ETH; rewards were paused and a bounty paid.", "beneficiaries": "Reporter received bounty; no malicious exploiter established.", "lossBearers": "No exploit loss established; PCV/LP would have borne loss if exploited.", "outcome": "Temporary mitigation followed by permanent fix.", "claimIds": ["R4-C019"]},
        {"date": "2022-04-30", "versionId": "R4-P003-V2", "type": "related-protocol code exploit", "summary": "Rari Fuse exploit produced losses after the merger; it was not the FEI launch peg mechanism failing.", "beneficiaries": "Exploit attacker(s).", "lossBearers": "Affected Fuse depositors and, through later allocation decisions, DAO residual stakeholders.", "outcome": "Separate capped claimant mechanism formed part of dissolution.", "claimIds": ["R4-C023"]},
        {"date": "2022-09-27", "versionId": "R4-P003-V3", "type": "governance shutdown", "summary": "DAO dissolution implemented separate FEI, Fuse-claimant and TRIBE redemption paths.", "beneficiaries": "Circulating FEI holders received a par DAI path; eligible Fuse claimants and TRIBE holders received designated distributions.", "lossBearers": "TRIBE was residual and claimant recovery was bounded by allocations.", "outcome": "Protocol ceased active development and redemption contracts remained.", "claimIds": ["R4-C023"]}
      ],
      "sourceIds": ["R4-S011", "R4-S012", "R4-S013", "R4-S014", "R4-S015", "R4-S016"], "claimIds": ["R4-C016", "R4-C017", "R4-C018", "R4-C019", "R4-C021", "R4-C022", "R4-C023"]
    },
    {
      "id": "R4-P004", "name": "Olympus DAO v1", "aliases": ["Olympus", "OHM", "sOHM"], "chains": ["Ethereum"],
      "eligibility": {"status": "adjacent", "reason": "Protocol-owned-liquidity/reserve-currency experiment active in 2021, but OHM had a floating target and no USD-par redemption promise.", "claimIds": ["R4-C024"]},
      "researchDepth": "triaged", "classification": ["adjacent monetary asset", "floating reserve currency", "protocol owned liquidity", "rebasing"], "targetUnit": "Floating reserve currency; not a USD peg",
      "lineage": [], "deployments": [],
      "versions": [{"id": "R4-P004-V1", "label": "Olympus v1 bonds and rebasing", "startDate": "2021-03-01", "endDate": null,
        "tokenRoles": "OHM is reserve currency; sOHM represents staked/rebasing exposure.", "backing": "Treasury-owned reserve assets and OHM liquidity positions, including LP tokens acquired by bonds.",
        "redemption": "No routine one-OHM-for-one-dollar redemption; exit through markets. Bonds exchanged assets/LP for vested discounted OHM.",
        "supplyPolicy": "Treasury-authorized OHM minting funded bond payouts and staking rebases.", "debtAndIncentives": "Discounted bonds acquired reserves/POL; high rebasing rewards encouraged staking.",
        "oracle": "Legacy bond descriptions characterize market-driven pricing; exact v1 price-feed mix unresolved.", "governanceAndAdmin": "DAO/policy roles controlled treasury, bond markets and minting.",
        "liquidityDependencies": "Treasury-owned LP reduced mercenary withdrawal but LP valuation depended on both pool assets and market price.", "claimIds": ["R4-C024"]}],
      "incidents": [], "sourceIds": ["R4-S017", "R4-S018", "R4-S019"], "claimIds": ["R4-C024"]
    },
    {
      "id": "R4-P005", "name": "Tomb Finance", "aliases": ["TOMB", "TSHARE", "TBOND"], "chains": ["Fantom Opera"],
      "eligibility": {"status": "adjacent", "reason": "Seigniorage monetary experiment active in 2021, but target was FTM rather than USD and there was no fractional external-collateral claim.", "claimIds": ["R4-C020", "R4-C025"]},
      "researchDepth": "triaged", "classification": ["adjacent monetary asset", "FTM peg", "seigniorage shares", "bond contraction"], "targetUnit": "1 FTM per TOMB (not USD)",
      "lineage": [{"relatedName": "Basis, bDollar and soup", "relationship": "Project documentation names these as inspiration/predecessors.", "evidenceClaimIds": ["R4-C020"]}], "deployments": [],
      "versions": [{"id": "R4-P005-V1", "label": "Tomb three-token seigniorage system", "startDate": "2021-06-02", "endDate": null,
        "tokenRoles": "TOMB targets FTM; TSHARE receives expansion seigniorage/governance economics; TBOND is contraction debt.", "backing": "No fixed external reserve claim; market demand, future seigniorage, liquidity pools, and a discretionary DAO fund support the target.",
        "redemption": "Below peg users may exchange/burn TOMB for TBOND; above recovery thresholds TBOND may redeem for newly issued TOMB with premium.",
        "supplyPolicy": "Above target epochs mint TOMB; below target, expansion stops and TBOND issuance contracts TOMB if users participate.",
        "debtAndIncentives": "TSHARE LP farming and Masonry rewards; debt phase directs 65% of expansion to treasury for TBOND redemption.",
        "oracle": "Six-hour epoch TWAP relative to FTM gates expansion/contraction.", "governanceAndAdmin": "Developer-controlled DAO fund could buy below or sell above peg; exact multisig roles unresolved.",
        "liquidityDependencies": "TOMB/FTM and TSHARE/FTM pools; voluntary TBOND demand and later expansion are necessary for contraction recovery.", "claimIds": ["R4-C020", "R4-C025", "R4-C026"]}],
      "incidents": [{"date": "2021-09-03", "versionId": "R4-P005-V1", "type": "exploit/social panic and bank run", "summary": "Project postmortem reports a malicious low-fee selling route promoted with false rug claims, followed by a run.", "beneficiaries": "Bad actor/arbitrageurs; exact gains unresolved.", "lossBearers": "TOMB holders and LPs through price/liquidity stress.", "outcome": "Project continued after intervention; exact transaction-level causal reconstruction not completed.", "claimIds": ["R4-C027"]}],
      "sourceIds": ["R4-S020", "R4-S021", "R4-S022", "R4-S023"], "claimIds": ["R4-C020", "R4-C025", "R4-C026", "R4-C027"]
    }
  ],
  "sources": [
    {"id":"R4-S001","url":"https://docs.frax.finance/frax-v1-original/original-design","title":"Original Design — Frax v1","sourceType":"documentation","isPrimary":true,"publishedAt":null,"eventDate":"2020-12-20","retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"Frax v1 historical page","accessStatus":"retrieved","limitations":"Current retrospective documentation; relied on only where it explicitly labels v1/retired behavior."},
    {"id":"R4-S002","url":"https://docs.frax.finance/frax-v1-original/frax-pools","title":"Frax V1 Pool ABI & Addresses","sourceType":"documentation","isPrimary":true,"publishedAt":null,"eventDate":null,"retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"Frax v1","accessStatus":"retrieved","limitations":"Historical docs; not a state snapshot of every deployed pool."},
    {"id":"R4-S003","url":"https://github.com/FraxFinance/frax-solidity","title":"Frax Solidity implementation and v1 whitepaper","sourceType":"code","isPrimary":true,"publishedAt":null,"eventDate":null,"retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"repository master; whitepaper v1","accessStatus":"retrieved","limitations":"Master repository spans versions; claims limited to explicitly v1 material."},
    {"id":"R4-S004","url":"https://etherscan.io/address/0x3432b6a60d23ca0dfca7761b7ab56459d9c964d0","title":"Frax Finance FXS token contract","sourceType":"code","isPrimary":true,"publishedAt":null,"eventDate":null,"retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"deployed bytecode/source","accessStatus":"retrieved","limitations":"Explorer labels exact source match; verification does not establish safety."},
    {"id":"R4-S005","url":"https://ironfinance.medium.com/iron-finance-expansion-to-polygon-8a714ba5635e","title":"Iron Finance Expansion to Polygon","sourceType":"documentation","isPrimary":true,"publishedAt":"2021-05-16","eventDate":"2021-05-18","retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":null,"accessStatus":"retrieved","limitations":"Project announcement; mechanism claims are project claims, cross-checked with event study/explorers."},
    {"id":"R4-S006","url":"https://www.federalreserve.gov/econres/notes/feds-notes/runs-on-algorithmic-stablecoins-evidence-from-iron-titan-and-steel-20220602.html","title":"Runs on Algorithmic Stablecoins: Evidence from Iron, Titan, and Steel","sourceType":"paper","isPrimary":false,"publishedAt":"2022-06-02","eventDate":"2021-06-16","retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":null,"accessStatus":"retrieved","limitations":"Secondary institutional analysis of primary chain data; reserve exhaustion is explicitly framed as presumed."},
    {"id":"R4-S007","url":"https://polygonscan.com/address/0xD86b5923F3AD7b585eD81B448170ae026c65ae9a","title":"Polygon IRON token contract","sourceType":"code","isPrimary":true,"publishedAt":null,"eventDate":null,"retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"deployed contract","accessStatus":"retrieved","limitations":"Explorer display; no full transaction replay performed."},
    {"id":"R4-S008","url":"https://polygonscan.com/address/0xaaa5b9e6c589642f98a1cda99b9d024b8407285a","title":"Polygon TITAN token contract","sourceType":"code","isPrimary":true,"publishedAt":null,"eventDate":null,"retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"deployed contract/proxy page","accessStatus":"partial","limitations":"Retrieved page did not support an unambiguous exact-match verification assertion."},
    {"id":"R4-S009","url":"https://bscscan.com/token/0x7b65b489fe53fce1f6548db886c08ad73111ddd8","title":"BSC IRON token contract","sourceType":"code","isPrimary":true,"publishedAt":null,"eventDate":null,"retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"deployed contract","accessStatus":"retrieved","limitations":"Explorer display; no historical state reconstruction."},
    {"id":"R4-S010","url":"https://bscscan.com/token/0x9001ee054f1692fef3a48330cb543b6fec6287eb","title":"BSC STEEL token contract","sourceType":"code","isPrimary":true,"publishedAt":null,"eventDate":null,"retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"deployed contract","accessStatus":"retrieved","limitations":"Explorer shows similar-match rather than exact-match source, so dataset verified=false."},
    {"id":"R4-S011","url":"https://medium.com/fei-protocol/fei-post-genesis-35284a57a659","title":"Fei Post-Genesis","sourceType":"documentation","isPrimary":true,"publishedAt":"2021-04-02","eventDate":"2021-04-03","retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"launch","accessStatus":"retrieved","limitations":"Project communication immediately before launch; does not itself document subsequent outcome."},
    {"id":"R4-S012","url":"https://github.com/fei-protocol/fei-protocol-core/releases","title":"Fei Protocol core releases","sourceType":"code","isPrimary":true,"publishedAt":null,"eventDate":null,"retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"v1.x 5aa0140; v2.0 76739f5","accessStatus":"retrieved","limitations":"Release page dates omit year in rendered excerpt; commits identify version contents, not every activation timestamp."},
    {"id":"R4-S013","url":"https://github.com/fei-protocol/fei-protocol-core/blob/develop/protocol-configuration/mainnetAddresses.ts","title":"Fei Protocol mainnet address registry","sourceType":"code","isPrimary":true,"publishedAt":null,"eventDate":null,"retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"develop branch at retrieval","accessStatus":"retrieved","limitations":"Current registry includes later contracts; not proof that all existed at genesis."},
    {"id":"R4-S014","url":"https://etherscan.io/token/0x956f47f50a910163d8bf957cf5846d573e7f87ca","title":"FEI token contract","sourceType":"code","isPrimary":true,"publishedAt":null,"eventDate":null,"retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"deployed source exact match","accessStatus":"retrieved","limitations":"Explorer verification does not establish mechanism safety."},
    {"id":"R4-S015","url":"https://medium.com/immunefi/fei-protocol-vulnerability-postmortem-483f9a7e6ad1","title":"Fei Protocol Vulnerability Bugfix Review","sourceType":"postmortem","isPrimary":false,"publishedAt":"2021-04-14","eventDate":"2021-04-06","retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":null,"accessStatus":"retrieved","limitations":"Co-authored ecosystem postmortem; describes an unexploited reported vulnerability."},
    {"id":"R4-S016","url":"https://github.com/code-423n4/2022-09-tribe","title":"FEI and TRIBE Redemption Contest Details","sourceType":"audit","isPrimary":false,"publishedAt":"2022-09-09","eventDate":"2022-09-27","retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"2022-09 shutdown contest","accessStatus":"retrieved","limitations":"Audit-scope repository describes intended shutdown behavior; forum vote history was not retrieved."},
    {"id":"R4-S017","url":"https://github.com/OlympusDAO/olympus-docs/blob/main/docs/legacy/02_bonding.md","title":"Olympus Bonds (Legacy V1)","sourceType":"documentation","isPrimary":true,"publishedAt":null,"eventDate":null,"retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"legacy v1 docs","accessStatus":"retrieved","limitations":"Retrospective current repository page; later SDA language may not describe earliest v1 implementation exactly."},
    {"id":"R4-S018","url":"https://github.com/OlympusDAO/olympus-docs/blob/main/docs/contracts-old/staking.md","title":"Olympus Staking Contracts (Legacy V1)","sourceType":"documentation","isPrimary":true,"publishedAt":null,"eventDate":null,"retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"legacy v1","accessStatus":"retrieved","limitations":"Retrospective historical documentation."},
    {"id":"R4-S019","url":"https://github.com/OlympusDAO/olympus-docs/blob/main/docs/overview/02_treasury.md","title":"Olympus Treasury: Reserves Backing OHM","sourceType":"documentation","isPrimary":true,"publishedAt":null,"eventDate":null,"retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"current docs","accessStatus":"retrieved","limitations":"Current treasury composition differs from v1; used only for general ownership definition, not historical holdings."},
    {"id":"R4-S020","url":"https://docs.tomb.com/","title":"Tomb Finance overview","sourceType":"documentation","isPrimary":true,"publishedAt":null,"eventDate":null,"retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"legacy docs, last updated approximately 2022","accessStatus":"retrieved","limitations":"Project documentation is retrospective and promotional."},
    {"id":"R4-S021","url":"https://docs.tomb.com/protocol/platform","title":"Tomb platform mechanics","sourceType":"documentation","isPrimary":true,"publishedAt":null,"eventDate":null,"retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":"documented six-hour epoch version","accessStatus":"retrieved","limitations":"Current legacy page may incorporate parameter changes after launch."},
    {"id":"R4-S022","url":"https://docs.tomb.com/protocol/dao-fund","title":"Tomb DAO Fund","sourceType":"documentation","isPrimary":true,"publishedAt":null,"eventDate":null,"retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":null,"accessStatus":"retrieved","limitations":"Project description; no fund transaction reconstruction."},
    {"id":"R4-S023","url":"https://tombfinance.medium.com/tomb-finance-post-mortem-480fa68375b2","title":"Tomb Finance Post Mortem","sourceType":"postmortem","isPrimary":true,"publishedAt":"2021-09-10","eventDate":"2021-09-03","retrievedAt":"2026-09-16T03:33:41Z","archiveUrl":null,"commitOrVersion":null,"accessStatus":"retrieved","limitations":"Interested-party narrative; exact exploit transaction and independent causal confirmation not recovered."}
  ],
  "claims": [
    {"id":"R4-C001","protocolId":"R4-P001","versionId":"R4-P001-V1","statement":"FRAX launched on 2020-12-20 and v1 used a single fractional-algorithmic base mint/redeem mechanism later explicitly retired.","evidenceStatus":"fact","sourceIds":["R4-S001"],"evidenceLocator":"lines 6-8, launch and retired v1 mechanism","eventDate":"2020-12-20","reasoning":"Explicit project historical statement.","uncertainty":"Retirement date is not stated."},
    {"id":"R4-C002","protocolId":"R4-P001","versionId":"R4-P001-V1","statement":"FRAX v1 lowered target CR above $1 and raised it below $1.","evidenceStatus":"fact","sourceIds":["R4-S001","R4-S003"],"evidenceLocator":"Original Design lines 7, 13-16; repository README fractional-algorithmic section","eventDate":null,"reasoning":"Consistent project documentation and repository description.","uncertainty":"Exact parameter values changed over time."},
    {"id":"R4-C003","protocolId":"R4-P001","versionId":"R4-P001-V1","statement":"V1 exposed separate 1:1, fractional, and algorithmic mint/redeem paths and delayed collection to a second call.","evidenceStatus":"fact","sourceIds":["R4-S002"],"evidenceLocator":"Minting and Redeeming; public functions lines 199-220 and redemption descriptions","eventDate":null,"reasoning":"ABI/function documentation.","uncertainty":null},
    {"id":"R4-C004","protocolId":"R4-P001","versionId":"R4-P001-V1","statement":"At 85% CR, the documented economic redemption example was $0.85 USDC plus $0.15 newly minted FXS per FRAX.","evidenceStatus":"project_claim","sourceIds":["R4-S001"],"evidenceLocator":"line 8","eventDate":null,"reasoning":"Project's explicit worked example.","uncertainty":"Actual output depended on fees, oracle price, slippage and pool state."},
    {"id":"R4-C005","protocolId":"R4-P001","versionId":"R4-P001-V1","statement":"FRAX v1 used Uniswap TWAP market inputs and Chainlink USD pricing.","evidenceStatus":"project_claim","sourceIds":["R4-S003"],"evidenceLocator":"repository README, Fully on-chain oracles bullet","eventDate":null,"reasoning":"Version-specific repository description.","uncertainty":"Exact feed routing per pool not reconstructed."},
    {"id":"R4-C006","protocolId":"R4-P001","versionId":"R4-P001-V1","statement":"Recollateralization offered equal-value FXS plus a hardcoded 0.75% incentive; excess collateral could buy back FXS.","evidenceStatus":"fact","sourceIds":["R4-S002"],"evidenceLocator":"buyBackFXS and recollateralizeFrax lines 259-273","eventDate":null,"reasoning":"Function documentation.","uncertainty":"Historical live parameters and pauses not reconstructed."},
    {"id":"R4-C007","protocolId":"R4-P001","versionId":"R4-P001-V1","statement":"A fast run can make fractional redemption reflexive because redemptions mint FXS whose sale reduces the realizable value of later endogenous redemption legs.","evidenceStatus":"inference","sourceIds":["R4-S001","R4-S002"],"evidenceLocator":"fractional redemption and dynamic CR mechanics","eventDate":null,"reasoning":"Causal inference from authorized token flows; analogous risk materialized in IRON but is not asserted as a FRAX incident.","uncertainty":"No maximal FRAX v1 run was replayed."},
    {"id":"R4-C008","protocolId":"R4-P001","versionId":"R4-P001-V1","statement":"Later Frax AMO/collateral-policy versions are redesigns and cannot establish v1 launch rights.","evidenceStatus":"fact","sourceIds":["R4-S001"],"evidenceLocator":"line 6 retirement warning and v1 single-AMO wording","eventDate":null,"reasoning":"Explicit version distinction.","uncertainty":"Exact transition chronology remains incomplete."},
    {"id":"R4-C009","protocolId":"R4-P002","versionId":null,"statement":"Polygon IRON/TITAN launched 2021-05-18 as a separate, unbridged system from BSC IRON/STEEL; Polygon used USDC/TITAN and BSC used BUSD/STEEL.","evidenceStatus":"project_claim","sourceIds":["R4-S005"],"evidenceLocator":"How is it going to work, lines 51-56","eventDate":"2021-05-18","reasoning":"Contemporary project launch announcement.","uncertainty":"No deployment transaction timestamp independently checked."},
    {"id":"R4-C010","protocolId":"R4-P002","versionId":null,"statement":"The four chain-specific token addresses in deployments are distinct; exact verification is supported for Polygon IRON and BSC IRON, while TITAN is ambiguous and STEEL is only similar-match.","evidenceStatus":"fact","sourceIds":["R4-S007","R4-S008","R4-S009","R4-S010"],"evidenceLocator":"Explorer contract/token pages and source verification labels","eventDate":null,"reasoning":"Direct explorer records.","uncertainty":"Explorer labels can change; bytecode was not independently compiled."},
    {"id":"R4-C011","protocolId":"R4-P002","versionId":"R4-P002-V2","statement":"Polygon IRON redemption/mint mechanics valued the endogenous TITAN leg with a ten-minute weighted average, which lagged spot during the crash.","evidenceStatus":"fact","sourceIds":["R4-S006"],"evidenceLocator":"paragraphs surrounding Figure 1, lines 38-41","eventDate":"2021-06-16","reasoning":"Transaction-data event study explains authorized flow and pricing divergence.","uncertainty":"Original archived contract documentation was not recovered."},
    {"id":"R4-C012","protocolId":"R4-P002","versionId":"R4-P002-V2","statement":"TITAN fell from roughly $60 to near zero within hours and a 0.25%-per-hour CR adjustment was too slow to arrest the run.","evidenceStatus":"fact","sourceIds":["R4-S006"],"evidenceLocator":"lines 39-41","eventDate":"2021-06-16","reasoning":"Event study derived from Polygon transactions.","uncertainty":"Rounded price descriptions."},
    {"id":"R4-C013","protocolId":"R4-P002","versionId":"R4-P002-V2","statement":"Larger Polygon accounts ran first.","evidenceStatus":"fact","sourceIds":["R4-S006"],"evidenceLocator":"line 71 and Figure 4 discussion","eventDate":"2021-06-16","reasoning":"Account-size grouping in transaction study.","uncertainty":"Account size is not user identity or sophistication."},
    {"id":"R4-C014","protocolId":"R4-P002","versionId":"R4-P002-V2","statement":"Iron Finance used external excess reserves to buy TITAN, briefly lifting it, but did not stop the run; IRON later stabilized near the 75% USDC component after dipping below it.","evidenceStatus":"fact","sourceIds":["R4-S006"],"evidenceLocator":"lines 50-52","eventDate":"2021-06-16","reasoning":"Event-study outcome narrative.","uncertainty":"Source says the protocol presumably ran out of reserves; exact balances not independently proven."},
    {"id":"R4-C015","protocolId":"R4-P002","versionId":"R4-P002-V1","statement":"BSC IRON did not break peg during Polygon's run, although STEEL declined; the systems were not cross-chain arbitrageable.","evidenceStatus":"fact","sourceIds":["R4-S006"],"evidenceLocator":"lines 53-67","eventDate":"2021-06-16","reasoning":"Natural-control comparison in event study.","uncertainty":"Observation window does not establish long-term safety."},
    {"id":"R4-C016","protocolId":"R4-P003","versionId":"R4-P003-V1","statement":"FEI launched 2021-04-03; genesis claimants received FEI/TRIBE and launch markets included FEI-ETH and FEI-TRIBE Uniswap pools.","evidenceStatus":"fact","sourceIds":["R4-S011"],"evidenceLocator":"lines 50-64","eventDate":"2021-04-03","reasoning":"Contemporary project launch notice.","uncertainty":"Pacific-time statement converted only to calendar date."},
    {"id":"R4-C017","protocolId":"R4-P003","versionId":"R4-P003-V1","statement":"FEI v1 used protocol-owned PCV liquidity, direct buy rewards/sell burns, and reweights rather than granting launch holders a general par claim on ETH PCV.","evidenceStatus":"fact","sourceIds":["R4-S011","R4-S012"],"evidenceLocator":"Post-Genesis lines 64-68; v1.x release features including incentives and reweight fixes","eventDate":"2021-04-03","reasoning":"Launch interface description and versioned code release history.","uncertainty":"Original announcement page was impersonated in search results and excluded; code-level details are summarized from release history."},
    {"id":"R4-C018","protocolId":"R4-P003","versionId":"R4-P003-V1","statement":"At launch, below-peg sales incurred burn penalties that generic Uniswap UX might not display, worsening practical exit.","evidenceStatus":"fact","sourceIds":["R4-S011"],"evidenceLocator":"lines 64-68","eventDate":"2021-04-03","reasoning":"Contemporary warning from project.","uncertainty":"Magnitude varied with price and trade."},
    {"id":"R4-C019","protocolId":"R4-P003","versionId":"R4-P003-V1","statement":"A 2021-04-06 report identified an unexploited loop capable of repeatedly draining about 1,410 ETH; rewards were paused and a $300,000 bounty awarded.","evidenceStatus":"fact","sourceIds":["R4-S015"],"evidenceLocator":"Summary lines 58-65 and vulnerability analysis","eventDate":"2021-04-06","reasoning":"Detailed postmortem of reported flaw and mitigation.","uncertainty":"Counterfactual drain amount is approximate."},
    {"id":"R4-C020","protocolId":"R4-P005","versionId":"R4-P005-V1","statement":"Tomb went live 2021-06-02, targeted FTM rather than USD, and named Basis, bDollar and soup as ancestry.","evidenceStatus":"project_claim","sourceIds":["R4-S020"],"evidenceLocator":"Home Big Picture and FAQ-linked launch timestamp","eventDate":"2021-06-02","reasoning":"Project documentation.","uncertainty":"Launch transaction not independently retrieved."},
    {"id":"R4-C021","protocolId":"R4-P003","versionId":"R4-P003-V2","statement":"FEI v2 release 76739f5 added collateralization oracles, rate-limited minting, a TRIBE reserve stabilizer and diversified PCV modules, and removed the original Uniswap PCV controller.","evidenceStatus":"fact","sourceIds":["R4-S012"],"evidenceLocator":"v2.0 release lines 927-978","eventDate":"2021-10-12","reasoning":"Versioned release content.","uncertainty":"Release publication precedes full v2 activation; exact activation is treated separately."},
    {"id":"R4-C022","protocolId":"R4-P003","versionId":"R4-P003-V2","statement":"FEI v2 became active in December 2021 and reframed TRIBE as a reserve backstop/equity absorption asset.","evidenceStatus":"project_claim","sourceIds":["R4-S012"],"evidenceLocator":"v2 Phase 1 release and listed reserve-stabilizer/collateralization components","eventDate":"2021-12-15","reasoning":"Release history supports components; activation date is supported less directly by retained source set.","uncertainty":"Exact activation transaction and full economic parameterization remain unresolved."},
    {"id":"R4-C023","protocolId":"R4-P003","versionId":"R4-P003-V3","statement":"Shutdown separated an immutable 1:1 FEI/DAI wrapper, capped Fuse claimant redemption, and pro-rata TRIBE residual redemption; protocol-owned FEI was to be burned before DAI backing was measured.","evidenceStatus":"fact","sourceIds":["R4-S013","R4-S016"],"evidenceLocator":"shutdown contest README sections SimpleFeiDaiPSM, RariMerkleRedeemer and TribeRedeemer; address registry","eventDate":"2022-09-27","reasoning":"Audited intended contract behavior plus project address registry.","uncertainty":"Forum vote text and actual funding transactions were not retrieved."},
    {"id":"R4-C024","protocolId":"R4-P004","versionId":"R4-P004-V1","statement":"Olympus v1 acquired reserve assets and LP tokens by selling discounted OHM bonds and distributed rebasing OHM to stakers; OHM was a floating reserve currency, not a USD-par redeemable stablecoin.","evidenceStatus":"fact","sourceIds":["R4-S017","R4-S018","R4-S019"],"evidenceLocator":"legacy bonding Overview/Types; legacy staking Distributor; treasury ownership definition","eventDate":"2021-03-01","reasoning":"Explicit legacy project documentation.","uncertainty":"Earliest v1 bond pricing details differ from current legacy SDA summary; no exact launch contract snapshot reconstructed."},
    {"id":"R4-C025","protocolId":"R4-P005","versionId":"R4-P005-V1","statement":"Tomb used six-hour epochs: above target expansion rewarded TSHARE stakers, below target enabled TOMB-to-TBOND contraction, and debt phase reserved 65% of expansion for bond redemption.","evidenceStatus":"fact","sourceIds":["R4-S021"],"evidenceLocator":"Masonry, Debt Phase and Pit sections","eventDate":null,"reasoning":"Project parameter documentation.","uncertainty":"Page may reflect post-launch parameter updates."},
    {"id":"R4-C026","protocolId":"R4-P005","versionId":"R4-P005-V1","statement":"Tomb's developer-controlled DAO fund was described as buying below peg and selling above peg.","evidenceStatus":"project_claim","sourceIds":["R4-S022"],"evidenceLocator":"DAO Fund description","eventDate":null,"reasoning":"Project states discretionary intervention mandate.","uncertainty":"No transaction audit of actual interventions."},
    {"id":"R4-C027","protocolId":"R4-P005","versionId":"R4-P005-V1","statement":"The project attributed a 2021-09-03 episode to a malicious low-fee selling route plus false rug messaging, followed by a bank run.","evidenceStatus":"contested","sourceIds":["R4-S023"],"evidenceLocator":"postmortem paragraph beginning On 3 September 2021","eventDate":"2021-09-03","reasoning":"Contemporary interested-party postmortem establishes its account, not independent causation.","uncertainty":"Exact transaction, code flaw and alternative explanations were not independently verified."}
  ],
  "searchLog": [
    {"id":"R4-Q001","searchedAt":"2026-09-16T03:05:00Z","queryOrRoute":"Frax v1 fractional mint redeem collateral ratio; official docs and repository","chainOrFamily":"Ethereum/Frax","sourceIds":["R4-S001","R4-S002","R4-S003","R4-S004"],"candidateNames":["FRAX","FXS"],"result":"Retrieved explicit historical v1 mechanics, code repository and explorer contract.","limitations":"No pool-by-pool historical state."},
    {"id":"R4-Q002","searchedAt":"2026-09-16T03:07:00Z","queryOrRoute":"IRON Finance postmortem, chain deployment distinctions, explorer contracts","chainOrFamily":"BSC and Polygon/Iron Finance","sourceIds":["R4-S005","R4-S006","R4-S007","R4-S008","R4-S009","R4-S010"],"candidateNames":["IRON","TITAN","STEEL"],"result":"Separated chain deployments and recovered transaction-study causal evidence and addresses.","limitations":"Original postmortem URL was discoverable but not retained as a fully retrieved source; archived contract docs absent."},
    {"id":"R4-Q003","searchedAt":"2026-09-16T03:11:00Z","queryOrRoute":"FEI genesis direct incentives PCV releases vulnerability shutdown","chainOrFamily":"Ethereum/Fei","sourceIds":["R4-S011","R4-S012","R4-S013","R4-S014","R4-S015","R4-S016"],"candidateNames":["FEI","TRIBE"],"result":"Retrieved launch notice, version releases, address registry, vulnerability postmortem and shutdown code/audit scope.","limitations":"Original forum pages poorly indexed/inaccessible; one search result was an impersonating FEII fork and was excluded."},
    {"id":"R4-Q004","searchedAt":"2026-09-16T03:17:00Z","queryOrRoute":"Olympus legacy bonds treasury protocol owned liquidity rebasing","chainOrFamily":"Ethereum/Olympus","sourceIds":["R4-S017","R4-S018","R4-S019"],"candidateNames":["OHM","sOHM"],"result":"Verified adjacent floating reserve-currency/POL mechanics.","limitations":"Retrospective docs and no contemporaneous deployment reconstruction."},
    {"id":"R4-Q005","searchedAt":"2026-09-16T03:20:00Z","queryOrRoute":"Tomb docs TOMB FTM peg TBOND TSHARE launch postmortem","chainOrFamily":"Fantom/Tomb","sourceIds":["R4-S020","R4-S021","R4-S022","R4-S023"],"candidateNames":["TOMB","TSHARE","TBOND"],"result":"Verified non-USD target, seigniorage/debt loop, DAO reserve role and project incident account.","limitations":"No verified source-code repository or exploit transaction recovered."},
    {"id":"R4-Q006","searchedAt":"2026-09-16T03:25:00Z","queryOrRoute":"Broader eligible relatives: Basis forks, Float, RAI; bounded contrast selection","chainOrFamily":"cross-family discovery","sourceIds":[],"candidateNames":["Basis Cash","Empty Set Dollar","Float","RAI"],"result":"Lead names recorded but not added because assignment capped contrasting relatives and explicitly required Olympus/Tomb adjacency.","limitations":"Not investigated deeply; no search snippet promoted to evidence."}
  ],
  "exclusions": [
    {"id":"R4-X001","name":"Olympus as a stablecoin","reason":"Recorded as adjacent rather than included: OHM was a floating reserve currency without a USD peg or routine $1 redemption.","sourceIds":["R4-S017","R4-S019"],"claimIds":["R4-C024"]},
    {"id":"R4-X002","name":"Tomb as a USD stablecoin","reason":"Recorded as adjacent rather than included: TOMB targeted FTM, so its USD value floated, and it lacked a fractional external-collateral redemption claim.","sourceIds":["R4-S020","R4-S021"],"claimIds":["R4-C020","R4-C025"]},
    {"id":"R4-X003","name":"FEII Protocol fork/impersonating search result","reason":"Search result branded FEII and described itself as a fork; excluded from evidence about original FEI.","sourceIds":[],"claimIds":[]}
  ],
  "uncertainties": [
    {"id":"R4-U001","protocolId":"R4-P002","question":"What exact archived source commit, oracle contracts, pool ceilings and redemption fees governed both IRON deployments immediately before the June run?","whyUnresolved":"Original docs/source snapshot was not recovered in bounded research.","nextEvidenceNeeded":"Archived official repository/docs plus verified implementation bytecode comparison and pre-run storage snapshots.","priority":"high"},
    {"id":"R4-U002","protocolId":"R4-P003","question":"Which exact blocks activated FIP-2 stabilization, v2, and each shutdown funding step?","whyUnresolved":"Release and code evidence was retrieved, but forum pages and transaction chronology were incomplete.","nextEvidenceNeeded":"On-chain proposal execution transactions and archived Tribe governance proposals.","priority":"high"},
    {"id":"R4-U003","protocolId":"R4-P001","question":"What were every v1 pool's live CR cadence, fees, ceilings, oracle windows and reserve balances through the v1-to-AMO transition?","whyUnresolved":"Documentation gives mechanism, not complete historical state.","nextEvidenceNeeded":"Ethereum archive-node state queries keyed to governance/config transactions.","priority":"medium"},
    {"id":"R4-U004","protocolId":"R4-P005","question":"What exact contract path and transaction caused the September 2021 Tomb incident?","whyUnresolved":"Only the project's postmortem narrative was retrieved.","nextEvidenceNeeded":"Transaction hash, verified source, traces and independent postmortem.","priority":"high"},
    {"id":"R4-U005","protocolId":"R4-P004","question":"What were Olympus v1 treasury roles, bond valuation/oracle code and deployment dates at each migration?","whyUnresolved":"Current legacy docs summarize behavior but are not a contemporaneous state snapshot.","nextEvidenceNeeded":"Tagged v1 repository commits, deployment transactions and historical docs archive.","priority":"medium"},
    {"id":"R4-U006","protocolId":null,"question":"Which additional 2020-21 fractional reserve/POL candidates materially differ from these five families?","whyUnresolved":"Contrast relatives were capped at two and discovery was intentionally stopped.","nextEvidenceNeeded":"Separate census of Basis Cash, ESD, Float, RAI and other chain-specific forks with primary-source eligibility checks.","priority":"low"}
  ]
}