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Arbitrum Active Addresses Hit 30-Day High, Then Retreat
Hourly activity cooled into Oct. 22 after daily active addresses reached 571,767; transaction counts rose much less sharply.... Read the full story at The Defiant
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Researchers Flag Swell Rate Manipulation After Railway Key-Drain Warning
Researchers flagged inflated swETH and rswETH rates after the cloud-platform disclosure; the reported 2,513 ETH held by Swell is not a confirmed loss.... Read the full story at The Defiant
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D3 Links HYPE Vault to Early Access for New Domain Names
The Upshift-built vault earns Frontier Points for future registration priority, with Hyperion DeFi as launch partner. Domain purchases require separate funds.... Read the full story at The Defiant
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Morpho Opens Robinhood Stock Tokens to Stablecoin Borrowing
Listed markets include NVDA and SPCX collateral at a 62.5% liquidation threshold and SPY at 77%, with USDG as the loan asset.... Read the full story at The Defiant
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Government-Linked $1 Billion Bitcoin Transfer Led to Coinbase Prime Addresses
The October 8 transaction passed through unlabeled addresses before reaching Arkham-labeled Coinbase deposits. That establishes an exchange-linked destination, not a sale.... Read the full story at The Defiant
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Stock Tokens Compared: Ownership and Exit at Robinhood, OKXICE and DTCC
Robinhood’s offshore tokens reinvest dividends through a multiplier and redeem for cash. OKXICE’s proposed entitlements and DTCC’s institutional conversions follow different ownership and exit rules.... Read the full story at The Defiant
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Robinhood Plans 2027 UAE Launch With Dubai Retail License
The DFSA register lists Robinhood MENA Limited’s license from July 20, including permission to arrange crypto deals and custody for retail clients.... Read the full story at The Defiant
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What Is a Crypto ‘Wrench Attack’?
The name comes from an XKCD comic about a $5 wrench. Hardware wallets isolate keys, while multisig divides signing authority—but neither automatically prevents coerced transfers.... Read the full story at The Defiant
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Zipcoin Announces Shutdown and Plans Token Sale
The team says project wallets hold 2.2% of supply, while ZC has fallen 84% over 24 hours.... Read the full story at The Defiant
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SoFi Launches SOFIE Tokenized Deposit With 4.4% APY
Members can convert the deposit into SoFiUSD at a 1:1 rate, but deposit interest and FDIC coverage do not follow the money into the stablecoin.... Read the full story at The Defiant
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Coinbase Ireland Fined €3.25 Million Over Customer-Fund Failures
The safeguarding shortfall reached €5.2 million in 2024. The sanctions require High Court confirmation before taking effect.... Read the full story at The Defiant
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Base Active Addresses Jump 82.5% to a 30-Day High
Transactions and user-paid fees also rose as the Ethereum Layer 2 recorded 629,142 active addresses on Oct. 21.... Read the full story at The Defiant
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CoinDCX Co-Founder Denies New Hack After $16 Million Wallet Alert
Sumit Gupta says the flagged addresses were compromised in July 2025 and that no funds from CoinDCX’s current wallets were affected.... Read the full story at The Defiant
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Alpha Modus Reports $250 Million-Plus Bitcoin Holding From Share Swap
The Nasdaq-listed company exchanged 51.6 million shares and matching warrants for 3,170 BTC, expanding its asset base while diluting existing shareholders.... Read the full story at The Defiant
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Chinese Prosecutors Seek Confiscation of 61,896 Bitcoin in Qian Case
The Tianjin application provides for victim restitution, while ownership claims to the UK-held coins must be assessed under Chinese law.... Read the full story at The Defiant
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Matter Labs Introduces Prividium Commander for Existing Blockchains
Institutions can add application permissions without moving to Prividium Ledger, while retaining their existing custody and signing providers.... Read the full story at The Defiant
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Developer Links $370,000 Theft to Railway Secrets Exposure
Railway restored Enterprise builds late Wednesday, while customers on other plans were still waiting to redeploy with replacement credentials.... Read the full story at The Defiant
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Cloudflare CEO Reports Millions of PHP2Shell Exploit Attempts
PHP has shipped fixes for four supported branches. The flaws can let attackers run code on vulnerable web servers without logging in.... Read the full story at The Defiant
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How Elliptic-Curve Signatures Work: A Toy ECDSA Example
A deliberately insecure curve makes the signing arithmetic small enough to follow. The verifier needs the message and public key, but neither signing secret.... Read the full story at The Defiant
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Mastercard Crypto Credential, KYC, Travel Rule and Screening Compared
Identity checks, transfer-party information and blockchain risk alerts serve different purposes. Providers remain responsible for deciding whether a payment can proceed.... Read the full story at The Defiant
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Pendle Expands One-Click Looping to Yield Assets and Tokenized Stocks
Stock longs on Base use Aave loans, while PendleLoop fees on non-PT positions are waived through Dec. 31.... Read the full story at The Defiant
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Collector Crypt Reports Record $24.3 Million Day
Users opened 123,425 packs, while the reported gross receipts equaled roughly 13% of DefiLlama's trailing 30-day pack-sales total.... Read the full story at The Defiant
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Aero Launches as Aerodrome and Velodrome Merge Across Seven Chains
The combined exchange went live across seven networks, with VELO converting at 0.044 AERO and locked positions becoming sAERO... Read the full story at The Defiant
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A Wallet Three Hours Old Minted Kimchi's Coin and Routed Every Fee to One Address
The deployer bought 79% of the supply for about $9,300 and named a single address the permanent, unchangeable recipient of every creator fee the coin will ever pay. Pump.fun's own profile page titles that address “Kimchi”... Read the full story at The Defiant
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Obol Urges Immediate Charon Upgrade After CA Key Compromise
The patch updates certificate checks in Go. Obol's mainnet cluster balances totaled 422,862 ETH in its latest daily snapshot.... Read the full story at The Defiant
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Railway Urges All Users to Rotate Secrets After Security Incident
Deployments remain paused, preventing customers from updating applications with replacement credentials.... Read the full story at The Defiant
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eMudhra's Weak Certificate Keys Prompt Emergency Trust Updates
One recovered private key was just 4. The company says the flaw went undetected through two independent audit cycles.... Read the full story at The Defiant
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Matter Labs Debuts Prividium Commander For Institutions
The control plane for bank digital-asset operations is generally available at launch. Its revenue goes to Matter Labs, not ZKsync tokenholders, CEO Alex Gluchowski told The Defiant.... Read the full story at The Defiant
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Mastercard Opens AI Machine-Payment Pilot to Developers
Buyer- and seller-side APIs, a toolkit and a sandbox extend developer testing, while Agent Pay for Machines remains a noncommercial pilot.... Read the full story at The Defiant
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Vantage and Rio Bank Use Tokenized Deposits for Loan Payment on Ethereum
Participate says principal and interest reached the receiving bank’s wallet in under three minutes, with loan balances and notices updated alongside the payment.... Read the full story at The Defiant