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Coinbase transactions are not unique, and two of them have already overwritten older ones on the main chain

Status: Open.

#58 In Bitflash-sh/bitflash;

· Bitflash-sh opened on Jul 30, 2026

Running v1.2.0 or earlier? Upgrade now — those nodes accept spends without a signature

Status: Open.

#54 In Bitflash-sh/bitflash;

· Bitflash-sh opened on Jul 30, 2026

Wallet: keys are generated on demand, so every backup is a snapshot (deterministic derivation)

Status: Open.

#47 In Bitflash-sh/bitflash;

· Bitflash-sh opened on Jul 30, 2026

docs/UX: two separate ways to silently lose funds — non-environment-aware wallet.dat backups, and non-deterministic key generation (both are solved problems in modern Bitcoin forks)

Status: Open.

#40 In Bitflash-sh/bitflash;

· bogdan984 opened on Jul 30, 2026

Deferred from the audit: payout loss on crash, and change-key reuse

Status: Open.

#23 In Bitflash-sh/bitflash;

· Bitflash-sh opened on Jul 28, 2026

Security: upgrade to v1.2.1 — earlier nodes accept spends without a signature

Status: Open.

#15 In Bitflash-sh/bitflash;

· Bitflash-sh opened on Jul 28, 2026

Difficulty increasing with network

Status: Open.

#4 In Bitflash-sh/bitflash;

· Vic-Nas opened on Jul 26, 2026

Relay dependance

Status: Open.

#2 In Bitflash-sh/bitflash;

· Vic-Nas opened on Jul 25, 2026