Casa Co-Founder: Quantum Computing Unlikely to Break Bitcoin in the Short Term, But Retrofitting the Bitcoin Network Could Take 5 to 10 Years

On December 21st, data from The Data Nerd shows a crypto whale address opened a 3x leveraged long position on ETH via Hyperliquid yesterday—with the position valued at roughly $89 million. Notably, the address had already netted a $19 million profit over the past month.

**IOSG Founding Partner Jocy’s Crypto Market Outlook (Dec 21, 2025)** On Dec 21, 2025, IOSG founding partner Jocy noted in a social media post: “2025 is crypto’s darkest year—and the dawn of the institutional era. This is a **fundamental market structure shift**, yet most still use old-cycle logic to assess the new era. Key 2025 takeaways: - Paradigm shift: From retail speculation to institutional allocation - Holdings: Institutions hold 24% of the market; retail has exited 66% (supply turnover complete) - BTC performance: Fell 5.4% for the year but hit an all-time high of $126,080 - Institutional behavior: Accumulating at “high” levels (focused on cycles, not short-term price) - Retail vs. institutions: Retail sells; institutions buy - **Not a bull market top—this is the institutional accumulation phase** ### 2026 Outlook (Tied to U.S. Midterms in November) Historical pattern: *“Policy first in election years”* - **H1 2026**: Policy “honeymoon period” + inst

December 21 — Per on-chain AI analysis tool CoinBob (@CoinbobAI_bot, https://t.me/Coinbob_track_CN), a whale wallet starting with 0xfee has generated **$5.04 million in total profits** since its first trades in October. The wallet has executed 30 round-trip trades, with both monthly and overall win rates exceeding 90%. The whale favors large BTC short positions, complemented by small long positions to capture rebound gains. It initiated BTC shorts around $115k on October 13, and has since added to the position (which it still holds). Additionally, the wallet often opens quick long positions at short-term lows of major altcoins and closes them the same day — posting just 1 loss in 20 long trades. Currently, the wallet holds ~$22.57 million in BTC short positions, with **$5 million in unrealized profits (345% gain)**. Its average entry level is $107k, with a liquidation threshold of $95.2k. It also holds small long positions in ETH, SOL, SUI and other altcoins.

On December 21, MicroStrategy founder Michael Saylor once again shared information related to Bitcoin Trackers. Per historical patterns, MicroStrategy typically discloses updates on its additional Bitcoin holdings the day after such announcements are made.

On December 21, Kevin Hassett, Director of the White House National Economic Council, said: "The current three-month average core inflation rate stands at 1.6%, and Trump is seeking a data-dependent candidate for Federal Reserve Chair." (FXStreet)

On December 21, Cathie Wood—founder of ARK Invest—said 2026 could be a "Goldilocks year." After facing tariff risks, government shutdown risks, and hawkish Fed rhetoric, she noted that if oil prices and rents keep falling, the U.S. inflation rate could drop to zero or below.