{"investigation":{"slug":"sky-makerdao","entity_name":"Sky (MakerDAO)","trust_score":51,"severity_base":null,"score_modifier":-7,"confidence":0.82,"status":"published","content_type":"investigation","summary":"Sky (formerly MakerDAO) is a DeFi lending protocol founded by Rune Christensen that governs the DAI/USDS stablecoin system. Rebranded in August 2024 with USDS and SKY token migration. Key risks include the March 2020 Black Thursday oracle failure ($8.32M in losses, $28M class action dismissed), governance centralization (top 3 holders controlled 78%+ of votes per academic research), DAI depeg events, and USDS freeze function controversy. No SEC/CFTC enforcement actions exist. USDS supply grew ~86% to ~$9.86B through 2025.","sections":[{"content":"Founded 2014-15 by Rune Christensen and Nikolai Mushegian. DAI launched December 2017. Rebranded to Sky in August 2024 with USDS (1:1 DAI migration) and SKY (1:24,000 MKR) token conversion. Maker Foundation dissolved in 2021.","heading":"Protocol Overview and Rebrand","sources":[{"url":"https://www.coindesk.com/business/2024/08/27/makerdao-is-now-sky-as-7b-crypto-lender-rolls-out-new-stablecoin-governance-token","name":"CoinDesk: MakerDAO Is Now Sky","type":"news_article","credibility":2},{"url":"https://www.theblock.co/post/313235/makerdao-mkr-sky-dai-stablecoin-usds","name":"The Block: MakerDAO Rebrands to Sky","type":"news_article","credibility":2},{"url":"https://www.bloomberg.com/news/articles/2024-08-27/defi-platform-makerdao-rebrands-itself-as-sky-to-bolster-usage","name":"Bloomberg: MakerDAO Rebrands as Sky","type":"news_article","credibility":1}],"severity":"low"},{"content":"Oracle failure combined with network congestion and a zero-bid exploit drained ~$8.32M in ETH collateral for zero DAI. ~6.65M DAI in bad debt was created. Governance voted 65% against compensating victims. A $28M class action was dismissed in February 2023. Metronym settled a subset for $1.16M in April 2023.","heading":"Black Thursday — March 2020","sources":[{"url":"https://www.coindesk.com/tech/2020/07/22/mempool-manipulation-enabled-theft-of-8m-in-makerdao-collateral-on-black-thursday-report","name":"CoinDesk: Black Thursday Mempool Manipulation","type":"news_article","credibility":2},{"url":"https://insights.glassnode.com/what-really-happened-to-makerdao/","name":"Glassnode: What Really Happened to MakerDAO","type":"research","credibility":2},{"url":"https://www.coindesk.com/policy/2023/02/24/crypto-investors-28m-black-thursday-lawsuit-against-defi-giant-maker-dismissed-by-us-judge","name":"CoinDesk: Black Thursday Lawsuit Dismissed","type":"news_article","credibility":2},{"url":"https://blockworks.co/news/maker-settle-black-thursday","name":"Blockworks: Maker Settles for $1.16M","type":"news_article","credibility":2}],"severity":"high"},{"content":"A critical DSChief governance vulnerability was found by OpenZeppelin in April 2019 ($100M at risk, patched before exploit). Flash loan manipulation of a governance vote in October 2020 led to Governance Security Module implementation. Extensive audit history via Trail of Bits, PeckShield, and ChainSecurity.","heading":"Smart Contract Security","sources":[{"url":"https://blog.openzeppelin.com/makerdao-critical-vulnerability","name":"OpenZeppelin: MakerDAO Critical Vulnerability","type":"research","credibility":1},{"url":"https://www.theblock.co/post/82721/makerdao-issues-warning-after-a-flash-loan-is-used-to-pass-a-governance-vote","name":"The Block: Flash Loan Governance Vote","type":"news_article","credibility":2}],"severity":"medium"},{"content":"Academic research (arXiv 2022) found top 3 holders controlled 78%+ of votes. The Endgame Constitution vote saw ~65-75% of affirmative votes from Christensen-delegated power. A November 2024 Sky brand vote had ~20 total voters with 4 entities holding ~80% of vote weight.","heading":"Governance Centralization","sources":[{"url":"https://arxiv.org/pdf/2203.16612","name":"arXiv: Decentralization Illusion in DeFi","type":"research","credibility":1},{"url":"https://www.theblock.co/post/325096/just-four-entities-account-for-nearly-all-the-votes-to-keep-makerdaos-rebranding-to-sky","name":"The Block: Four Entities Control Sky Vote","type":"news_article","credibility":2}],"severity":"high"},{"content":"Two documented depeg events: Black Thursday 2020 (post-crash, USDC addition as collateral), and March 2023 SVB/USDC depeg when DAI briefly depegged due to USDC exposure. Emergency governance proposals were enacted within hours but the 48-hour execution delay rendered them moot.","heading":"DAI Depeg Events","sources":[{"url":"https://www.coindesk.com/markets/2023/03/11/dai-depegs-as-stablecoin-rout-plagues-crypto","name":"CoinDesk: DAI Depegs to Lifetime Lows","type":"news_article","credibility":2}],"severity":"high"},{"content":"USDS introduced a wallet-freeze capability, departing from DAI's immutable design. Justified by RWA/U.S. Treasury compliance requirements. A 'PureDai' alternative was committed to. Strong DeFi community backlash ensued.","heading":"USDS Freeze Function Controversy","sources":[{"url":"https://www.dlnews.com/articles/defi/makerdao-sky-rebrand-brings-usds-stablecoin-freeze-function/","name":"DL News: Sky Rebrand Freeze Function","type":"news_article","credibility":2}],"severity":"medium"},{"content":"Multi-phase governance restructuring ratified in October 2022. NewChain (Solana fork proposal, September 2023) prompted Vitalik Buterin to sell ~$580K in MKR and describe the direction as 'weird.'","heading":"Endgame Plan and SubDAO Structure","sources":[{"url":"https://www.theblock.co/post/223134/makerdao-endgame-plan-ratified-in-new-constitution","name":"The Block: Endgame Plan Ratified","type":"news_article","credibility":2},{"url":"https://www.theblock.co/post/248856/vitalik-sells-makerdao-stake-after-ceo-christensen-suggests-solana-based-blockchain","name":"The Block: Vitalik Sells MakerDAO Stake","type":"news_article","credibility":2}],"severity":"medium"},{"content":"No public SEC/CFTC/DOJ enforcement actions against MakerDAO, Sky, or Rune Christensen. Significant RWA/T-bill exposure increases regulatory surface. The Tornado Cash sanctions episode (2022) prompted emergency shutdown planning but no action materialized.","heading":"Regulatory Status","sources":[{"url":"https://thedefiant.io/news/defi/tornado-impact-makerdao-dai","name":"The Defiant: MakerDAO Emergency Shutdown Tornado","type":"news_article","credibility":2}],"severity":"medium"},{"content":"~$5.8M in Centrifuge bad debt across two defaulted pools in 2023 (Harbor Trade Credit, ControlFreight). Small relative to ~$7B collateral base. The protocol has since shifted toward T-bills which carry different regulatory and interest rate risk.","heading":"RWA Exposure and Default Incidents","sources":[{"url":"https://www.coindesk.com/markets/2023/07/20/makerdao-votes-to-halt-lending-to-tokenized-credit-pool-after-2m-loan-default","name":"CoinDesk: MakerDAO Halts Tokenized Credit Pool","type":"news_article","credibility":2}],"severity":"medium"},{"content":"Co-founder Nikolai Mushegian died by drowning on October 28, 2022, age 29. Police found no evidence of foul play. No connection to protocol operations was established.","heading":"Co-founder Nikolai Mushegian Death","sources":[{"url":"https://decrypt.co/113602/makerdao-co-founder-death-nikolai-mushegian","name":"Decrypt: No Evidence of Foul Play in Mushegian Death","type":"news_article","credibility":2}],"severity":"low"},{"content":"Blockworks reported adoption 'flatlined' one year post-rebrand. USDS supply grew ~86% to ~$9.86B through 2025. Sky Savings TVL reached ~$4B ATH. MKR-to-SKY conversion penalty mechanism introduced May 2025.","heading":"Adoption Post-Rebrand","sources":[{"url":"https://blockworks.co/news/sky-dao-adoption","name":"Blockworks: Sky Adoption Lags","type":"news_article","credibility":2},{"url":"https://www.theblock.co/post/371401/sky-opens-vote-to-penalize-stragglers-delaying-mkr-to-sky-token-conversion","name":"The Block: SKY Conversion Penalty Vote","type":"news_article","credibility":2}],"severity":"low"}],"timeline":[{"date":"2017-12-18","event":"DAI stablecoin launches on Ethereum mainnet","source":"coindesk.com","source_url":"https://www.coindesk.com/business/2024/08/27/makerdao-is-now-sky-as-7b-crypto-lender-rolls-out-new-stablecoin-governance-token"},{"date":"2019-04","event":"OpenZeppelin discovers critical DSChief governance vulnerability ($100M at risk)","source":"openzeppelin.com","source_url":"https://blog.openzeppelin.com/makerdao-critical-vulnerability","date_original":"2019-04-01"},{"date":"2020-03-12","event":"Black Thursday: $8.32M in ETH collateral drained via zero-bid exploit","source":"coindesk.com","source_url":"https://www.coindesk.com/tech/2020/07/22/mempool-manipulation-enabled-theft-of-8m-in-makerdao-collateral-on-black-thursday-report"},{"date":"2020-10","event":"Flash loan used to manipulate MakerDAO governance vote","source":"theblock.co","source_url":"https://www.theblock.co/post/82721/makerdao-issues-warning-after-a-flash-loan-is-used-to-pass-a-governance-vote","date_original":"2020-10-01"},{"date":"2021-07","event":"Maker Foundation dissolved; governance fully transferred to MKR holders","source":"coindesk.com","source_url":"https://www.coindesk.com/business/2024/08/27/makerdao-is-now-sky-as-7b-crypto-lender-rolls-out-new-stablecoin-governance-token","date_original":"2021-07-01"},{"date":"2022-10","event":"Endgame Plan ratified via new Constitution","source":"theblock.co","source_url":"https://www.theblock.co/post/223134/makerdao-endgame-plan-ratified-in-new-constitution","date_original":"2022-10-01"},{"date":"2022-10-28","event":"Co-founder Nikolai Mushegian dies; police find no foul play","source":"decrypt.co","source_url":"https://decrypt.co/113602/makerdao-co-founder-death-nikolai-mushegian"},{"date":"2023-02-24","event":"$28M Black Thursday class action dismissed by US judge","source":"coindesk.com","source_url":"https://www.coindesk.com/policy/2023/02/24/crypto-investors-28m-black-thursday-lawsuit-against-defi-giant-maker-dismissed-by-us-judge"},{"date":"2023-03-11","event":"DAI depegs during SVB/USDC crisis","source":"coindesk.com","source_url":"https://www.coindesk.com/markets/2023/03/11/dai-depegs-as-stablecoin-rout-plagues-crypto"},{"date":"2023-04","event":"Metronym settles Black Thursday subset for $1.16M","source":"blockworks.co","source_url":"https://blockworks.co/news/maker-settle-black-thursday","date_original":"2023-04-01"},{"date":"2023-07-20","event":"MakerDAO halts lending to Centrifuge pool after $2M+ default","source":"coindesk.com","source_url":"https://www.coindesk.com/markets/2023/07/20/makerdao-votes-to-halt-lending-to-tokenized-credit-pool-after-2m-loan-default"},{"date":"2023-09","event":"Christensen proposes NewChain (Solana fork); Vitalik sells ~$580K MKR","source":"theblock.co","source_url":"https://www.theblock.co/post/248856/vitalik-sells-makerdao-stake-after-ceo-christensen-suggests-solana-based-blockchain","date_original":"2023-09-01"},{"date":"2024-08-27","event":"MakerDAO rebrands to Sky; USDS and SKY tokens launched","source":"coindesk.com","source_url":"https://www.coindesk.com/business/2024/08/27/makerdao-is-now-sky-as-7b-crypto-lender-rolls-out-new-stablecoin-governance-token"},{"date":"2024-11","event":"Sky brand retention vote: ~20 voters, 4 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