DeFi Signal
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The DeFi events that change how money moves onchain, each told once: major protocol launches and upgrades, exploits with confirmed losses, governance decisions that change fees, risk or treasuries, stablecoin launches and depegs, institutions moving into
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MakerDAO legacy auction keeper drained of 200 ETH
On October 6, an attacker exploited an unauthenticated function in MakerDAO's legacy auction-keeper contract to drain 200 ETH ($542,982) from four 50 ETH lots won during the March 2020 Black Thursday liquidations and never settled. The attacker gained Vat delegation through the…

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Open Standard launches OUSD stablecoin on Solana with Stripe
Open Standard, backed by Coinbase, Mastercard, Shopify, Stripe and Visa, launched OUSD natively on Solana on October 7 with $1B in committed liquidity and zero-fee minting and burning. Stripe integrated OUSD across its developer stack, allowing businesses to fund Treasury…

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Aave raises risk caps on V4 and V3
Aave Risk Stewards raised supply and borrow caps across multiple instances on October 9, including USDe supply cap on V3 Monad from 100M to 150M and USDC draw cap on V4 Arc from 23M to 46M. The adjustments manage reserve capacity as stablecoin demand grows.

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79th Vault operator key compromise drains $14.35M
On October 7, an attacker used a compromised operator key to withdraw 2.52M 79AU tokens from the PancakeSwap 79AU/USDT pool on BNB Chain and sell them, extracting $14.35M in USDT. CertiK, Defimon and GoPlus confirmed the loss.

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Polkadot launches dotUSD stablecoin via OpenGov with $2.5M cap
Polkadot's community voted through OpenGov to launch dotUSD on October 8, a stablecoin backed 1:1 by USDT with minting and redemption rules governed entirely by DOT holders, capped at $2.5 million with $2.5 million in DOT seeded for liquidity. DOT governance now controls…

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XRP Ledger patches decade-old overflow bug
XRP Ledger patched an overflow bug in its payment engine that could have allowed minting approximately 18 trillion spendable XRP in a single transaction. The vulnerability existed for over ten years.

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FSB warns stablecoins face redemption risk from liquidity mismatches
The Financial Stability Board warned that the $300 billion stablecoin market could face redemption crises even with sufficient reserves if cross-border liquidity mismatches prevent reserve access during stress. International regulatory coordination for managing cross-border…

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Sui Foundation invests $30M in DATA Network migration
The Sui Foundation invested $30 million in DATA Network, which is migrating from its independent chain to run natively on Sui. The move consolidates an AI data protocol onto a major Layer 1.

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Standard Chartered launches RLUSD custody in Dubai for institutions
Standard Chartered opened RLUSD custody through its Dubai branch with planned integration to LMAX allowing institutions to use the stablecoin as collateral without transferring it to the trading venue. This marks a major bank's infrastructure move into stablecoin settlement.

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Circle halts USDC minting on Noble, begins CCTP V1 wind-down
Circle disabled new USDC issuance to Noble on October 13, 2026, with full contract pause and CCTP V1 transfer routes ending January 12, 2027, as the company migrates to CCTP V2. The $91.6 million in USDC on Noble remains redeemable 1:1 until January.

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Tether launches USDT on Bitcoin through Utexo
Tether is launching USDT on Bitcoin this month through Utexo, a Tether-backed infrastructure project. This marks USDT's first appearance on Bitcoin since its 2014 Omni protocol debut.

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Autheo THEO token exploited on Base, 19M minted
A suspected bridge exploit on Base led to minting 19 million THEO tokens, causing the token to plunge 92 percent. Autheo advised users to stop trading and bridging THEO pending investigation.

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USDU stablecoin expands to Solana with UAE regulation
Universal expanded its UAE-regulated USDU dollar-backed stablecoin to Solana with 1:1 reserve backing and monthly independent attestations. The move targets institutional settlement and treasury management on Solana.

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Federated Hermes issues tokenized securities via Prometheum
Federated Hermes, an $89B+ asset manager, will issue tokenized securities funds through Prometheum's SEC-registered, FINRA-member broker-dealer, extending digital securities to U.S. broker-dealers and RIAs with custody, clearing and settlement on Prometheum's platform. The…

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Lynq and Better Money Company settle assets to RLUSD in minutes
Lynq and The Better Money Company completed a live proof-of-concept converting client assets to Ripple's RLUSD stablecoin within minutes using pre-funded workflows. The test validates institutional settlement infrastructure for tokenized assets, with Lynq now supporting 30+…

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Plume Vaults launches nONYC reinsurance asset on Ethereum and Monad
Plume Vaults launched nONYC, a tokenized reinsurance asset from OnRe, on Ethereum and Monad, expanding beyond Solana where ONyc has $225M+ deployed. The move extends institutional financial asset infrastructure across chains.

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Morpho vault deposits reach $6.26B in Q3; liquidity risk rises
Morpho's net vault deposits grew to $6.26B in Q3 2026, driven by Robinhood Earn, Uniswap Earn, Coinbase integration and Circle's Arc mainnet launch. Deposits in vaults holding under 10% cash rose from 21.8% to 38.5%, signaling growing liquidity risk.

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Interactive Brokers launches Ethereum staking via Zerohash
Interactive Brokers began offering Ethereum staking to eligible clients through Zerohash, with clients retaining at least 70% of staking rewards. A major fintech integrated DeFi staking into traditional brokerage services.

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DRW and Marex execute first OTC swap on tokenized index
DRW and Marex completed the first over-the-counter swap referencing a fully tokenized S&P iBoxx Index on Derivnex via Canton Network. The transaction demonstrates institutional adoption of tokenized indices in derivatives.

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Solana Alpenglow upgrade targets 150ms finality on Oct. 21
Anza scheduled Solana's Alpenglow mainnet upgrade for October 21, targeting 150-millisecond finality with required software changes for validators and block-data providers. The upgrade enhances one of DeFi's largest blockchain networks.

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