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Your morning Bitcoin brief: Keystone breach forces destruction of 18,835 hardware wallets, Strategy pauses bitcoin buying, bitcoin++ announces an Antarctica edition and other bitcoin news
As of Oct 27, 2026, 5:03 AM EDT
MARKET
Price $79,756 (-0.49%)
24h volume $26.6 bn
Dominance 60.0%
Sats / $ 1,254
NETWORK
Block #973,374
Hashrate 1,069 EH/s
Difficulty +6.43%
Retarget 2 days
Halving 532 days (63.5%)
MEMPOOL
Fee 1 sat/vB
TX 46,454
Size 20.2 MB
Queue 21 blocks
LIGHTNING
Capacity 2,571 BTC (+489575.5%)
Channels 25,211Hackers who breached Keystone’s website obtained a device authentication key. The hardware wallet maker is suspending shipments, and personal information of nearly 26,000 customers was exposed. news.bitcoin.com x.com
The release updates dependencies to address disclosed vulnerabilities and adds stricter transaction verification against malicious servers. Sending BIP78 payjoin transactions was removed to reduce attack surface; coinjoin stability fixes are included. github.com x.com
Another security-focused release, with hardening especially around dependencies. Update via Server Settings → Maintenance → Update, or run the btcpay-update.sh script from the command line. x.com github.com
The challenge operator accepted the solve despite a wallet mistake; the harder question remains who turns such discoveries into deployed fixes. cryptoslate.com
Strategy made no bitcoin purchases or sales for October 19–25; the $204.9 million buyback cut its USD cash balance by 46% to $242.4 million. Strive, meanwhile, spent $511 million on bitcoin last week. bitcoinmagazine.com cointelegraph.com
Geopolitical tensions and Anthropic’s possible IPO add to the uncertainty ahead of this week’s Fed decision. bitcoinmagazine.com
Despite Monday’s rebound, the funds remain in the red for October, with about $202 million in net outflows for the month. cointelegraph.com
The delay would push the start of the 22% tax from January 2027 to 2029, so authorities can access US trading data once Washington joins an OECD crypto-asset data-sharing framework. bitcoinmagazine.com
The first release candidate adds French, Italian and Portuguese interface languages and BIP138 encrypted descriptor backups. Running it migrates the database: wallets opened with v16 can’t be opened in v15 or earlier. github.com
Electrum users should switch to the new endpoints: port 50002 for TLS and 50001 for TCP. REST API users don’t need to do anything. x.com x.com
The fee applies to custodial accounts inactive for 12 months; the first charges were processed by mid-October 2026, with full refunds on login. bitcoinmagazine.com
The conference is planning its first cold-storage edition on a 13-day expedition to the Antarctic Peninsula. bitcoinmagazine.com
Spanish authorities investigating the fraudulent platform have uncovered the large post-collapse bitcoin movements. news.bitcoin.com
The first known screenshot of the bitcoin-otc forum for bitcoin trading from October 27, 2010.
On October 27, 2019, a time traveler returns to edit their post from 2013 and add a bit more negativity to their story.
1 BTC = $9,262
On October 27, 2021, El Salvador acquires 420 bitcoins.
1 BTC = $60,500
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