On Thursday, Poland's lower house approved an unchanged crypto bill that was vetoed last year, sending it to the Senate for review. The proposal seeks to align national rules with the EU's MiCA regime by mid-2026. A government spokesperson said the president recently received a confidential security briefing, which may raise the chances of final approval.

Moore Threads unveiled new AI hardware in Beijing, with CEO Zhang Jianzhong introducing the Huagang architecture and Huashan chips aimed at reducing reliance on Nvidia. Zhang said Huagang raises computing density by 50% and improves energy efficiency ten times, and the company expects mass production in 2026 alongside updates to its MUSA platform and server lines.

On Friday, her office said Sen. Cynthia Lummis will retire when her term concludes in early 2027. During her tenure, she advanced crypto frameworks and introduced an AI liability bill tied to disclosure requirements. According to NBC News, two sources said Rep. Harriet Hageman is likely to run for the deep-red Wyoming seat.

Bernstein said Nvidia is trading at 25x forward earnings, putting it in the 11th percentile of its 10‑year valuation range and about a 13% discount to the PHLX Semiconductor Sector Index. The firm maintained an outperform rating with a $275 price target, noting shares are up 34% in 2025 while the PHLX Semiconductor Index has gained 41%.

On 18 December, Solana slipped below $120 as network revenue and weekly active addresses retreated to yearly lows. Despite fading retail participation, large holders bought tens of thousands of SOL and spot ETFs registered $11 million in net inflows, helping price rebound into the $122–$145 range with improving momentum signals.

On December 19, 2025, Blockstream CEO Adam Back publicly challenged Nic Carter's warnings that quantum computing poses an imminent threat to Bitcoin. Back said developers are quietly preparing, while Carter cited Castle Island Ventures' investment in Project Eleven and an Oct. 20 Substack disclosure to argue the risk is real and underappreciated.

Ethereum developers have set the name "Hegota" for the network's second planned 2026 hard fork, which will follow the Glamsterdam upgrade. The lead feature for Hegota has not been chosen, and the chain operates on a twice‑yearly release cadence. Glamsterdam is expected in the first half of 2026, with Hegota slated for later that year.

On 20 December 2025, the European Central Bank outlined plans to enable blockchain-based settlements in central bank money from 2026, while advancing technical preparations for a digital euro. The project aims to support cross-border payments and potential links with other CBDCs, with design choices such as privacy protections and holding caps still subject to EU legislative approval. Political debates over data retention, surveillance and anti-money laundering rules could shape how closely the digital euro can mirror the privacy of cash.