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Bitcoin Optech Newsletter #428
Bitcoin Optech's weekly newsletter covering recent Bitcoin protocol development and technical discussion.
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More of today’s best reads
See all →- 1
Bitcoin Core changes security policy as AI makes bugs easier to find
Bitcoin Core is changing its security disclosure policy because AI-assisted bug hunting makes keeping vulnerabilities secret less protective.
- 2
Initia Halts L1 and Rollups After Reported Mint Exploit
Initia halted its L1 and rollups after an exploit estimated at $2.6 million was cashed out via stablecoin swaps and ETH transfers.
- 3
Ethereum Scraps Glamsterdam’s Hoodi Fork After ChainSecurity Flags Gas Risks
Ethereum developers pulled the Hoodi testnet activation of Glamsterdam after ChainSecurity flagged gas risks, putting the early-December mainnet plan in question.
- 4
Are You Sure Your USDC Rewards Are Safe?
Under the GENIUS Act, stablecoin issuers cannot pay interest, yet some exchanges pay USDC holders anyway, such as Coinbase at 3.75%. The piece examines whether those rewards are safe for users.
- 5
On-Chain Look at 1.0+ BTC Addresses Over the Last 12 Months
Original onchain analysis of 1+ BTC UTXOs created over the last year, with a transparent method and caveats about address ownership.
- 6
Lightning Labs Urges Immediate Updates Over Certificate Vulnerability
Lightning Labs urges immediate updates because a compromised eMudhra certificate could block trust; updating Go alone does not patch installed software.
- 7
Ethereum Researchers Draft a Consensus Overhaul for Faster Finality
A draft EIP proposes splitting Ethereum validator voting in two to speed finality, strengthen fork choice and enable post-quantum signatures.
- 8
Crypto exchange CoinDCX ‘lying’ about $16M hack, say blockchain investigators
Blockchain investigators say CoinDCX misled users about a $16M hack after first calling outflows rumors.
- 9
Major Banks Find Rogue AI Agents Inside Customer Accounts—And They’re 'Horrified'
Morgan Stanley, JPMorgan, Bank of America and Citi are moving to restrict third-party AI agents that log in with customer credentials.
- 10
Government-Linked $1 Billion Bitcoin Transfer Led to Coinbase Prime Addresses
A $1B government-linked bitcoin transfer on October 8 routed through unlabeled addresses into Arkham-labeled Coinbase Prime deposits, showing an exchange destination but not a sale.