Crypto

Bitcoin network enters first hashrate bear market, Twenty One Capital CEO says

The bitcoin network has entered a \"hashrate bear market\" for the first time, an executive said. Rafa Zagli, CEO of investment firm Twenty One Capital, said the network hashrate rose to about 1.3 zettahash per second late last year and has since declined gradually, taking the longest time yet to recover its prior peak. He said growing demand from AI and high-performance computing is reshaping miners\' use of power and facilities.

Crypto

AI lowers barrier to hacking, crypto industry urges opening latest models to bitcoin developers

The cryptocurrency industry has urged AI companies to expand early access to cutting-edge AI models for bitcoin developers and security staff defending open-source financial infrastructure. A public letter said defenders often cannot access AI labs’ cybersecurity programs and face guardrails on top public models, forcing reliance on lower-performing open-weight models. Signatories called for standing access programmes. The letter cited rising losses and warned vulnerabilities could threaten personal lifetime savings.