Coldcard bug, weak seeds generated since 2021: “Funds are at risk, move them now”
Less than 24 hours after the 594 BTC theft, Coinkite publishes a security advisory and technical review: seed generation on...
594 bitcoin drained in fifteen minutes: what we know so far
In the early hours of 30 July an automated operation swept 500 single-sig addresses across four consecutive blocks. Evidence points...
Three users sue Apple over fake Sparrow Wallet app
The complaint filed in the Northern District of California describes how 1.8 million dollars in bitcoin were stolen through a...
Five years of Bitcoin Law: bitcoin remittances in El Salvador remain at 0.7%
Data from the Central Bank of El Salvador for the first half of 2026 show that of more than $5...
BancaStato launches Bitcoin trading via Sygnum and Avaloq
The Ticino cantonal bank integrates Bitcoin into its digital channels, relying on Sygnum's infrastructure and the Avaloq core banking platform
Wavelength: Lightning Labs brings bitcoin to any app with a single API call
Lightning Labs' new toolkit adds a self-custodial bitcoin wallet to any application with a few API calls: no node to...
CoinJoin: comparison of tools to improve privacy on Bitcoin
Wasabi Wallet, Whirlpool and JoinMarket: operational models, decentralization, costs, usability and waiting times to increase the privacy of your UTXO.
Spark: the layer 2 launched by Lightspark
Lightspark introduces a layer 2 for instant payments, stablecoins and interoperability with Lightning.
Guide to using the Liquid Network
How to use Bitcoin’s sidechain: peg-in, peg-out, and swaps.
© 2026 Atlas21
