TREE NEWS update: Electrum has released version 4.8.2, fixing a critical backup issue affecting some Lightning wallets that use non-deterministic keys and anchor channels, where channel and full wallet backups could lack the keys needed to move funds on-chain after a remote force-close. Affected users will see a warning on startup and should export new backups, as old ones cannot correctly recover funds in that scenario. The release also strengthens Lightning HTLC validation, rejects malformed xpub/xprv keys, and blocks Android QR screenshot scanning.
Electrum Releases 4.8.2 to Fix Critical Lightning Wallet Backup Flaw
AI take
The notable part is the failure mode: backups that look complete but silently lack the keys needed to sweep funds after a remote force-close, which turns a routine recovery into an unrecoverable one. This lands on self-custodial Lightning users running anchor channels with non-deterministic keys, a configuration most never chose deliberately. The startup warning is the practical lever, since only those users know to re-export. Whether other wallets with similar key handling share the flaw is the open question.
Generated by AI for reference only.
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