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New proof lets Bitcoin owners reclaim coins if quantum hackers break old signatures.

Market News
19 Jul 2026
BeInCrypto
View Source
Neutral
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Project Eleven developed a new cryptographic proof allowing Bitcoin owners with seed phrases to reclaim coins even if quantum computers crack old wallet signatures. This method works quickly and proves ownership without revealing keys, but it only applies to wallets created after 2012 using BIP-32 seed phrases. Coins mined by Satoshi Nakamoto before 2012 remain vulnerable and cannot be recovered with this proof. The development addresses concerns about freezing coins after a quantum breakthrough but leaves older wallets exposed, highlighting ongoing challenges for Bitcoin's quantum security.

More News (BTC)

Russia's Duma to finalize crypto bill limiting domestic Bitcoin demand on July 21

Russia's Duma to finalize crypto bill limiting domestic Bitcoin demand on July 21

Russia's State Duma is set to finalize a new crypto regulation bill on July 21 that will license exchanges and brokers under the Bank of Russia's oversight. The bill classifies cryptocurrency as property, allows crypto for cross-border settlements, b...

Market News
Bearish
4 hours ago
Cryptocurrency prices show mixed movements with Bitcoin above $65K and notable gains in altcoins like UNI and PI.

Cryptocurrency prices show mixed movements with Bitcoin above $65K and notable gains in altcoins like UNI and PI.

Cryptocurrency markets display varied price changes, with Bitcoin trading above $65,600, up nearly 2%, and Ethereum rising about 2.7%. Several altcoins such as UNI, PI, and LDO show significant gains, reflecting ongoing investor interest and market v...

Market News
Bullish
5 hours ago
Bitcoin ETFs see $273M inflow after $8B outflow, but recovery remains weak amid derivative-driven rally.

Bitcoin ETFs see $273M inflow after $8B outflow, but recovery remains weak amid derivative-driven rally.

Bitcoin spot ETFs attracted $273 million over two weeks, ending an $8 billion outflow streak, but this inflow barely covers the smallest weekly outflow during that period. The recent Bitcoin price rebound is driven mainly by derivatives rather than s...

Market News
Neutral
7 hours ago
Cryptocurrency prices show mixed movements with Bitcoin above $65K and notable gains in altcoins like NEAR and PUMP.

Cryptocurrency prices show mixed movements with Bitcoin above $65K and notable gains in altcoins like NEAR and PUMP.

Cryptocurrency markets display varied price changes with Bitcoin trading above $65,500, up 1.55%, and Ethereum near $1,900, up 1.66%. Several altcoins such as NEAR (+3.17%), PUMP (+20.89%), and DEXE (+7.81%) show significant gains, indicating selecti...

Market News
Neutral
7 hours ago
Bitcoin eyes $74K as whales keep buying and rate hike odds drop.

Bitcoin eyes $74K as whales keep buying and rate hike odds drop.

Bitcoin has been consolidating above $60,000 amid declining odds of a Federal Reserve rate hike in September. Large investors, or whales, have been accumulating BTC, adding over 20,000 tokens recently, signaling bullish sentiment. Technical indicator...

Market News
Bullish
8 hours ago
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