GM, bitcoiner — November 2, 2026

gm

Your morning Bitcoin brief: reported hot wallet drains on older BTCPay Server versions, $1.4B in Binance-hack bitcoin attributed by the FBI to North Korea stays untouched, mining revenue at an 11-month high and other bitcoin news

##Network Stats

As of Nov 2, 2026, 5:02 AM EST

MARKET
  Price       $77,965  (-0.10%)
  24h volume  $17.0 bn
  Dominance   60.0%
  Sats / $    1,283

NETWORK
  Block       #974,242
  Hashrate    1,050 EH/s
  Difficulty  -1.11%
  Retarget    11 days
  Halving     526 days  (63.9%)

MEMPOOL
  Fee    1 sat/vB
  TX     45,834
  Size   24.0 MB
  Queue  24 blocks

LIGHTNING
  Capacity  4,798 BTC
  Channels  40,664

##Security & Privacy

###BTCPay Server urges shutdowns after reported hot wallet drains on older versions

The team traced an attack vector to versions 2.4.1 and older, has no credible reports of drains on the latest 2.4.7 and urges users to update. Founder Nicolas Dorier said the attacker logged in as admin on affected instances; how is still under investigation. news.bitcoin.com x.com

###Preprint estimates 71% of an exposed LND node cohort remained on affected release lines

The October 21 preprint’s estimate covers a cohort of exposed LND nodes as of its October 13 cutoff, not the whole network; CryptoSlate reports the missing security fixes are about a year old. cryptoslate.com

##Technology & Development

###waxwing updates Lichen L2 design, using BABE to cut on-chain dispute costs

Using BABE instead of BitVMX cuts a full dispute to about 4–5 transactions from 20–25 and on-chain cost to about 30 kvB from 200, though users must store 240MB. waxwing says it is implemented and is deploying a hub on mutinynet. mailing-list.bitcoindevs.xyz mailing-list.bitcoindevs.xyz

###0xB10C suspects unsolicited rune-mint transaction chains degraded compact block reconstruction

In his current understanding, someone pushed chains of ~100vB P2A rune-mint transactions to nodes unsolicited while another party burned the outputs, causing mempool differences. The activity stopped on Oct 18, and reconstruction rates then improved. delvingbitcoin.org delvingbitcoin.org

###dni machine-checks soundness of 128-bit BIP340 batch-verification randomizers in Lean

Proposals to cut the randomizers from 256 to 128 bits would speed libsecp256k1 batch verification by up to about 9%. The Lean 4 proof covers both deterministic derivations, leaving offline grinding: about 2^64 hashes for a roughly 2^-64 chance of an invalid batch passing. delvingbitcoin.org github.com

##Mining

###Bitcoin mining revenue hits 11-month high despite steep hashprice decline

Miners closed October with their highest monthly revenue since November 2025, but the bitcoin price drop after the $6.3 billion Binance hack has weighed heavily on mining profitability. news.bitcoin.com

###AI wants Bitcoin miners’ power, but the contracts show who really gets paid

A CryptoSlate analysis: miners spent years securing cheap electricity, substations and grid connections, and AI companies now want that access, turning aging mines into valuable real estate. cryptoslate.com

##Regulation & Policy

###Only about 40 crypto firms reportedly applied for licenses by Brazil’s deadline

Some 150–200 companies had been expected to apply by the October 30 deadline. According to reports, rising compliance requirements and costs are consolidating Brazil’s VASP industry, with many firms exiting the country. news.bitcoin.com

##Community

###Rage Weekly 44/26: links on financial surveillance and beyond

The Rage’s weekly roundup; this issue’s money section opens with reports tying North Korea to the Binance attack. therage.co

##Bitcoin Rap Sheet

###$1.4B in bitcoin from Binance hack, attributed by FBI to North Korea, remains untouched

About 18,270.2 BTC worth $1.4 billion was stolen in the Oct. 29 hack; the FBI identified North Korea as the principal perpetrator. The stolen coins remain dispersed and unmoved. news.bitcoin.com