Infrastructure
Bitcoin Core discloses 3 bugs fixed in 2025. The worst could stop a node building blocks
Bitcoin Core published three security advisories on November 10, one rated high. All were fixed in releases from October 2025, and the advisories describe no theft of coins.
Guides
What is Bitcoin? How it works, why only 21 million exist and the risks
Bitcoin is a digital currency that moves directly between users on a public network, with no bank or company in the middle. Miners secure it with computing power, its supply is capped at 21 million coins, and BTC traded near $77,323 as of November 2, 2026.
Infrastructure
Bitcoin Core 32.0 never shipped. Version 32.1 is out with 200 peer slots and a wallet fix
The new major release of Bitcoin's main node software arrived on October 27 under a different number than planned. It raises default peer slots to 200, speeds up block checks and closes a wallet bug that could run commands on a node. Nodes on 29.x or older are now out of support.