Sparrow Wallet 2.5.4 ships a serious security and reliability hardening pass, tightening transaction verification, privacy safeguards, update checks, and backup handling. The update fixes a nasty filename collision bug and other self-custody risks that could quietly turn into expensive problems.
Read Full Article
Coldcard firmware 5.6.1 hardens wallet security by requiring user entropy in standard new-seed generation and tightening several attack surfaces. It’s a solid step forward — but if an old seed was created under weaker conditions, a firmware update alone won’t save it.
Read Full Article
A Coldcard firmware flaw helped fuel a brutal 2026 crypto theft wave, with TRM Labs reporting more than $1.2 billion stolen across 276 incidents. The lesson is blunt: self-custody beats exchanges, but bad firmware, weak entropy, and sloppy security can still wreck you.
Read Full Article
Bitkey says it fixed a researcher-reported vulnerability and that customer funds were never at risk. The details are still thin, but the takeaway is clear: a flaw was found and patched, not a wallet-draining disaster.
Read Full Article
A flaw in certain Coldcard firmware versions reportedly let weak seed phrases slip through, and the fallout is ugly: more than 1,367 BTC has been drained from thousands of addresses. Updating firmware helps going forward — but old vulnerable seeds are still fair game.
Read Full Article
Bitcoin self-custody is reportedly down to 49%, as ETFs, ETPs, and corporate treasuries pull more BTC into custodial hands. The shift may boost adoption and access, but it also raises the same old question: convenience and sovereignty can’t both win.
Read Full Article
Bitcoin’s self-custody promise is colliding with ugly wallet UX: seed phrases, backups, and recovery are still too confusing for many users, while new tools try to soften the blow without turning custody back over to middlemen. The trade-off is freedom, but also full responsibility.
Read Full Article
New Hampshire’s HB 639 is being described as a Bitcoin self-custody rights bill, but the actual text isn’t available, so the fine print remains unknown. The idea is bullish for financial sovereignty — just don’t mistake a headline for a confirmed legal victory.
Read Full Article
Bitcoin’s self-custody stack is getting sharper: Sparrow, Coldcard, Silent Payments, MuSig2 and mobile wallets are pushing better privacy, security and recovery. The catch? More capability still means more complexity, and bad user habits can wreck the whole setup.
Read Full Article
A 25 BTC Casascius coin from 2011 has been redeemed on-chain after nearly 15 years, turning a forgotten physical Bitcoin collectible into roughly $1.78 million. 25 BTC redeemed from a 2011 Casascius coin Untouched since December 2011 Worth less than $100 then, about $1.78 million now Casascius coins remain prized collectibles Dormant Bitcoin wallets are […]
Read Full Article