Bitcoin Core’s privacy fix reaches v32 code while the v31 patch remains open
Bitcoin Core has merged a privacy fix into its 32.x source branch addressing behavior that could correlate private-broadcast connections with ordinary node connections. The backport for 31.x remains open as of Oct. 8, leaving users who enable the feature…
Bitcoin may go quantum-safe while Lightning privacy stays exposed
Even if Bitcoin eventually adopts post-quantum protections for on-chain outputs, five parts of the Lightning Network’s off-chain payment system would still need separate upgrades, according to a Sept. 12 research preprint. Related Reading Bitcoin…
Circle’s Arc launch ties Wall Street firms to the network without making them its safety net
Circle is tying major financial institutions to its Arc blockchain as operators, investors, and future users ahead of its Sept. 16 mainnet launch. BlackRock, DTCC, Visa, Mastercard, and ICE are among 11 outside institutions Circle named as founding…
Users exposed by Trezor breach grows sixfold after supposedly deleted shipping logs are found
Hardware wallet maker Trezor says a breach at logistics provider ShipMonk exposed contact and order data for another approximately 67,000 U.S. customers after years-old records remained in the vendor’s systems despite written deletion assurances.…
Zcash breaks $1,000 as its spot ETF crosses $400 million in assets
Zcash broke above $1,000 on Sept. 4, pushing the asset value of Grayscale’s recently listed ZCSH ETF past $400 million less than two weeks after its debut. ZEC registered an intraday high of $1,050.70, up roughly 20% over 24 hours and nearly 100% over…
Privacy coin flaw risks endless token creation, leaving node operators with a deadline in hours to fix it
The Firo hard fork was 153 blocks away from activation early Friday, leaving wallet users and network operators only hours to install software that repairs an August vulnerability in the privacy coin’s Spark transaction system. The chain reached block…
Leaked compliance records shatter anonymity of 291 crypto users by matching names directly to wallet activity
The Pocket Bitcoin breach exposed more than email addresses and support conversations for 291 customers, the company said. Some copied records linked real-world identities to public Bitcoin activity. The finding expands the scope described in the Swiss…
Deribit moved 90% of client assets to Coinbase, then killed its daily proof-of-reserves check
Deribit will remove its public Proof of Reserves page on Sept. 1, ending a daily check customers could use to verify balance inclusion and compare aggregate liabilities with published wallet holdings. Regulator-required reserve, reconciliation and audit…
Reaching instant 27ms validation on Bitcoin will take 17 GPU years of compute power
Hazync’s developer reports that a 1.7 MB standalone verifier checked a 226,434-byte cryptographic receipt covering the first 1,789 blocks of Bitcoin in 27 milliseconds. The Aug. 15 disclosure limits that result to an early stretch of…
Ethereum researchers are racing to close a zkEVM security gap before December
Ethereum’s better.codes contest now measures a cryptographic proof gap that researchers can attack from both sides. At 15:44:47 UTC on Aug. 21, the live leaderboard showed a 63.99-bit lower certificate and a 116.13-bit upper certificate for koalaIRS12.…