Solana Alpenglow upgrade will be activated on October 21st, reducing trading finality to 150 milliseconds

The Trump administration has filed a lawsuit against California and two election officials, requesting the court to block approximately 20000 votes from being counted in the election results, citing doubts about voters' citizenship. The US Citizenship and Immigration Services (USCIS) and the US Immigration and Customs Enforcement (ICE) have compiled a list of voters suspected of not being eligible to vote using data from multiple departments. (Source: Axios)

MSCI plans to classify Michael Saylor's Strategy, Metaplanet, and other digital asset treasury companies as non operational enterprises, preventing them from being included in the MSCI Global Investable Markets Index. JPMorgan estimates that passive funds tracking MSCI indices may be forced to sell $2.8 billion worth of MSTR stocks; If other index providers adopt similar rules, the outflow of funds may reach $8.8 billion. Strategy analysis shows that funds tracking the MSCI index hold 3.1% of its outstanding shares; The final decision is expected to be announced around October 16th, and implementation may begin on November 30th. (Source: Bitcoin News)

Hamack said that the formation of inflationary thinking may force the Federal Reserve to take more aggressive policy actions. (Source: Caixin)

Solana's ecosystem research and development company Anza stated that the Alpenglow mainnet beta will be activated on October 21, 2026 at 22:50 (UTC+8), and trading finality will be reduced from approximately 12.8 seconds to 150 milliseconds. Alpenglow replaces the TowerBFT voting mechanism with Votor, and the network maintains the existing system for about 18 minutes. After staking SOL reaches 82% of the validator set, it switches to Votor. The Alpenglow component Rotor will adjust the new block distribution method, and the activation date has not been announced yet. This upgrade only includes Voter. (Source: Bitcoin.com News)

Thailand will open a spot Bitcoin ETF to 5 million potential retail investors this Friday. （Bitcoin Archive）