Stay updated on crypto wallet news, self-custody, security upgrades, app launches, and tools for managing digital assets.
The Cypher wind-down makes Aug. 7 the final spending day; cardholders should complete withdrawals, reward claims and wallet-access steps before Sept. 6.
Bitcoin tool WalletExplorer logs IPs and URLs within Chainalysis, while other major explorers follow different retention and access rules.
Exchange reserves surged as users fled exposed wallets, while one analyst said spot ETFs could offer a simpler custody option.
Offline keys still depend on entropy, firmware, signing and recovery, all built from fallible software and hardware.
The Coldcard seed-generation flaw linked to up to $130M in losses exposed the manufacturer trust built into Bitcoin self-custody.
The unpeer-reviewed study links 4,224 contracts to 5,742 victim addresses, while its Avalanche count and collection cutoff conflict.
Your air gap, PIN, and steel backup cannot save a Bitcoin wallet whose seed was born weak
Users have through Aug. 2 to move assets or secure their recovery phrase before sending, receiving, swaps and dApp access stop.
More than 77,000 BTC moved from older wallets as users raced to secure funds, complicating bearish readings across key on-chain indicators.
