protocol
Bitcoin Core 32.1 ships three fixes; LLM-assisted scan surfaced two of them
Core releases 32.1 and backports 31.2, 30.4 and 29.5 after an automated LLM scan flagged a non-Linux TCP memory flood and a stalled pre-BIP31 peer queue bug.
Stories tagged: #bitcoin
exploit
Datavault AI (DVLT) can't withdraw BTC from Biconomy; stock halves, $92.2M to restate
Datavault's 8-K says a June 2026 bitcoin withdrawal from Biconomy never completed. Shares close down 49.6%; FY2025 total assets to be restated down $92.2M.
governance
Strategy stockholders approve daily dividends on STRC, STRF, STRK, STRD
Strategy stockholders approved amendments at an Oct 28 special meeting letting STRC, STRF, STRK and STRD accrue dividends daily. STRC switches Nov 1.
infrastructure
Luxor raises $16M led by CMT Digital to build a compute-derivatives OTC desk
Bitcoin-mining infra firm Luxor closed a $16M strategic round led by CMT Digital with Canaan and MicroBT, funding its AI-compute OTC desk and derivatives work.
exploit
Electrum 4.8.3 patches rogue-server RBF trap after at least one theft
Electrum's 4.8.3 release fixes GHSA-6jp4-8v48-cc5v, a mempool-signature gap that let hostile servers swap in a fake tx and funnel RBF-bumped funds to the attacker. At least one user lost bitcoin.
exploit
Foundation blames Passport phishing emails on compromised Cloudflare API keys
Foundation says a 'Urgent recall notice' phishing wave targeting Passport buyers was sent via one or more compromised Cloudflare API keys. All keys revoked; hardware and funds unaffected.
Strategy pauses bitcoin buys for the first time since mid-September, repurchases $205M of STRC
Strategy bought no BTC during the week of Oct 19-25 and spent $204.9M on 2,068,459 shares of STRC paid in USD cash, per its Oct 26 SEC filing and press release.
Strive buys 6,182 BTC for $511M in weekly 8-K, closes to Metaplanet and Twenty One at #4
Strive's Oct 26 8-K reports 6,182 BTC bought Oct 17-23 at ~$82,732 avg, taking holdings to 43,000 BTC — now #4 public, trailing Metaplanet and Twenty One by small margins.
protocol
Bitcoin Core adds 'easy-to-find' bug track as LLMs lower the attack bar
Pull request #1281, merged October 22, splits security disclosures: bugs an attacker can easily rediscover now ship fixes to every supported release ASAP with details attached.
regulation
BlackRock files PBIT: buffered bitcoin ETF with options-wrapped downside on IBIT
The 485APOS prospectus for the iShares Bitcoin Managed Protect ETF is BlackRock's third bitcoin fund — overlapping tranches of call spreads on IBIT, no bitcoin held directly.
regulation
FINMA approves Switzerland's first retail spot bitcoin ETF, name withheld
The Swiss regulator cleared a publicly offered fund investing directly in BTC on October 20, 2026, granting an exemption from standard risk-diversification rules and declining to name the issuer.
exploit
Mt. Gox trustee pushes repayment deadline to October 31, 2027
Fourth consecutive one-year extension. Kobayashi cites unfinished creditor procedures. Arkham tracks about 34,000 BTC still in trustee-labelled wallets, worth roughly $2.8B.
on-chain
Dormant 2013 wallet named in Noah Doe lawsuit moves 411.45 BTC
A Bitcoin address funded on September 11, 2013 and tagged by Galaxy Research as 'Noah Doe #970' moved 411.45 BTC (~$33.4M) on October 18 — its first-ever outgoing transaction.
regulation
El Salvador's Bitcoin reserve reaches 7,807 BTC despite IMF buy limits
The National Bitcoin Office's public wallets held 7,807 BTC on October 16, up from ~6,070 BTC when a $1.4B IMF program began in early 2025. The IMF attributes recent additions to private donations.
infrastructure
Quantum Alliance launches: nine blockchain orgs set open post-quantum readiness standards
Nine blockchain organizations formed the Quantum Alliance on October 15 to set open post-quantum readiness criteria across networks, wallets, zk systems, and cross-chain compatibility.
explainer
Google Willow: magic state cultivation hits 99.99% T-state fidelity; what it means for Bitcoin Q-day
Google Quantum AI's October 15 Willow result cuts magic-state errors ~40×; it does not shift Q-day timelines, but validates the resource estimates behind post-quantum migration.
regulation
Patrick Witt exits White House crypto council; says Bitcoin reserve additions on hold
The second executive director of the White House digital assets council departed October 14. On his way out: no new Strategic Bitcoin Reserve purchases are planned.
protocol
Coinbase pushes to start Bitcoin's post-quantum migration, backing BIP-360 and P2TRv2
Coinbase, custodian of about 5% of all BTC, says Bitcoin's quantum migration must begin now. Its design brief favors BIP-360 (P2MR) and P2TRv2, plus a 1-of-2 classical/post-quantum spending path.
infrastructure
Binance ends Binance Pool and all mining services at 07:00 UTC on Nov. 10
Binance will shut Binance Pool, Pool Savings, Cloud Mining, the Transaction Accelerator and all mining-pool APIs on Nov. 10 at 07:00 UTC. Pool pages stay viewable until Nov. 24.
on-chain
Covid-era wallet moves 4,582 BTC worth $378M to five addresses
A dormant wallet that received 4,582 BTC on March 3, 2020, split them across five addresses on October 12. Arkham and mempool.space data confirm the transfer; recipients have not moved coins.
regulation
Strive discloses 3,311 BTC buy for $280M in 8-K, taking treasury to 32,773 BTC
Strive's October 13 8-K reports buying 3,311 BTC between Oct 5-9 at ~$84,500 average, lifting holdings to 32,773 BTC. SATA preferred stock continues as the funding vehicle.
regulation
UK High Court: Chinese law governs claims to 61,245 seized BTC in Qian Zhimin case
Mr Justice Mark Turner rules Chinese law applies to victim claims over 61,245 BTC (about $5.1B) seized from Qian Zhimin's London accounts. Fieldfisher is appealing.
infrastructure
SWI Group raises €800M to convert ex-FTX miner Genesis Digital's Texas and Sweden sites to AI
Euronext Amsterdam-listed SWI, now at a €6.1B valuation, will repurpose Genesis Digital's 1.3GW mining fleet for AI/HPC and sell its Kazakhstan sites.
protocol
Metaplanet sold 10,000 BTC and bought back 11,000 in Q3 to prove liquidity
Metaplanet disclosed a Q3 round-trip of 10,000 BTC sold for ¥124.7B and 11,000 BTC repurchased for ¥149.9B — a net +1,000 BTC to 44,000, framed as a liquidity demonstration to rating agencies.
protocol
Strategy books $20.9B Q3 fair-value gain, buys 334 BTC, repurchases $176M of STRC
Strategy's October 5 filing reports a $20.91B Q3 fair-value gain on bitcoin, a 334-BTC purchase for $28.7M between September 28 and October 4, and $176.3M of STRC preferred-share repurchases.
on-chain
Binance's SAFU fund now holds 15,000 BTC at $1.27B, ~$270M in the money
Binance's insurance reserve, converted from stablecoins in February, sits at roughly $1.27B against a $1B cost basis. The wallet is public and verifiable on-chain.
regulation
SEC clears Volatility Shares 3x leveraged bitcoin, ether ETPs
SEC Release 34-106577 on Oct 2 approves listing of six 3x daily leveraged ETPs including bitcoin and ether, but trading waits for S-1 effectiveness.
explainer
What you missed: biggest blockchain stories, August–September 2026
Ten weeks in one post — the Coldcard $116M drain, the Liquid Network and Bitget breaches, SEC's Regulation Crypto Assets, THORChain's Monero swaps and more.
on-chain
US government moves $288M in seized BTC and ETH to Coinbase Prime
Arkham data shows ~3,800 BTC and 30,007 ETH — from the Ryan Farace, BTC-e and Brian Krewson cases — reached Coinbase Prime on July 13, testing the Strategic Bitcoin Reserve no-sell posture.
protocol
Strategy authorizes up to $1.25B in BTC sales as Saylor formalizes capital pivot
Strategy's June 29 8-K introduces a Digital Credit Capital Framework with $2B in buybacks, a $2.55B USD reserve floor, a 12% STRC dividend, and up to $1.25B in bitcoin sales.
regulation
Japan's Lower House passes FIEA crypto bill: 20% flat tax, ETF path opens
On June 11, Japan's House of Representatives passed the FIEA amendment reclassifying crypto as financial instruments. Flat 20% tax (vs 55%), insider-trading ban, spot ETF path. Upper House next.