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Crypto

Bitcoin freeze debate grows over coins vulnerable to quantum threats

A debate is growing in the Bitcoin community over whether to restrict spending of coins that could be vulnerable in the era of quantum computers. The dispute goes beyond adopting new cryptography and raises questions about how far ownership rights should be protected and how network security should be ensured. Some developers warn that stolen coins could be sold and hurt trust. Others say forced freezes would undermine core principles by limiting ownership.

Crypto

G7 urges rapid preparations for quantum computing threat; bitcoin, ethereum also on alert

A G7 cybersecurity working group urged governments and companies to immediately begin shifting to post-quantum cryptography, warning that technology threatening existing public-key systems is advancing faster than expected. It highlighted the risk of attacks that harvest encrypted data now and decrypt it later. The EU has set timelines for migration. Bitcoin is considering BIP-360, while Ethereum plans broader upgrades. Larger post-quantum signatures could raise storage, bandwidth and transaction costs.

Crypto

Bitcoin \'BIP-110\' debate intensifies as developer-miner clash spreads

A dispute over Bitcoin consensus-rule change proposal BIP-110 is escalating among developers, miners, companies and users. The proposal would temporarily limit several ways of embedding non-financial data in Bitcoin transactions, including tighter size limits for transaction outputs and OP_RETURN. Supporters say it could curb blockchain spam and strengthen Bitcoin’s role as money. Opponents warn it could invalidate some fee-paying transactions and set a risky precedent for future protocol changes.