source:[1] Billionaire Michael Saylor Announces New $1 Billion Bitcoin Purchase – Does He Know Something is Coming? - Yahoo Finance (https://finance.yahoo.com/news/billionaire-mi ...)[2] Exclusive: Visa launches stablecoins advisory practice to keep up with crypto wave - Fortune (https://fortune.com/2025/12/15/visa-launches- ...)[3] American Bitcoin increases holdings by 261 BTC, total now reaches 5,044 BTC - Bitget (https://www.bitget.com/amp/news/detail/125606 ...)