On December 16, 2025, MicroStrategy's Michael Saylor said on X that quantum computing would harden Bitcoin via upgrades that migrate active coins while leaving lost coins immobile. Technical analysis highlights consolidation beneath the $108,000–$110,000 zone, with RSI holding above 50. A decisive monthly close over $108,000 is seen as key for the 2026 advance.

ARK Invest's Cathie Wood said the Bitcoin bottom after the October 10 crash may already be in, with price stabilizing near $86,000. According to Glassnode, institutions now control 29.8% of circulating BTC, while MicroStrategy's December 15 Form 8-K detailed a 10,645 BTC purchase for $980.3 million at $92,098 per coin. Technical indicators suggest early stabilization despite trading below the $104,000 short-term holder realized price.

Wyoming-chartered Custodia Bank filed a December 15 petition asking the full Tenth Circuit to rehear its case contesting the Federal Reserve's denial of a master account. The filing argues the October 2-1 panel ruling misread the Monetary Control Act and raises constitutional issues by giving Reserve Banks unreviewable discretion over access to core payment services.

Bitcoin has fallen about 3.6%, sliding below $86,000 and edging toward the $81,000 True Market Mean support level, while liquidations near $400 million and spot bids cluster between $85,000 and $80,000. On‑chain metrics show wholecoiner inflows to Binance have dropped to roughly 6,500 BTC on a yearly average, last seen in 2018, as analysts track whether a sweep of the $80,000 area precedes a rebound toward $90,000–$100,000 or a deeper correction toward $76,000.

On December 15, 2025, CoinGecko reported Solana topped blockchain mindshare in 2025 with 26.79%, ahead of Base at 13.94% and Ethereum at 13.43%. Solana’s share fell 12.0 percentage points from 2024, while Sui and BNB Chain more than doubled, reaching 11.77% and 9.05% to enter the top five.

The Agnelli family, through their holding company Exor, has unanimously rejected Tether's binding €1 billion all-cash proposal to buy its 65.4% stake in Juventus Football Club. The decision, taken after the offer was formally submitted on Friday, halted one of Europe's boldest football takeover attempts even as Juventus shares jumped more than 12% on Monday on the implied premium.

Terraform Labs co-founder Do Kwon received a 15-year sentence from a Manhattan federal court for the $40 billion TerraUSD collapse. Prosecutors in South Korea are preparing a separate case under capital markets laws and are seeking a term exceeding 30 years, with about 200,000 local investors reporting losses of roughly 300 billion won ($204 million). He could request transfer to Korea after serving half his US term.

React Server Components’ CVE-2025-55182, rated CVSS 10.0, is being actively exploited to drain crypto wallets across frameworks like Next.js. Attacks surged following the Dec. 3 disclosure; patches shipped in React 19.0.1, 19.1.2, and 19.2.1, with Next.js updates across 14.2.35–16.0.10. Sites should upgrade, deploy WAF rules, and review front-end code for malicious assets.

Solana spot ETFs, launched in late November 2025, have logged seven straight sessions of net inflows totaling $674 million, with Bitwise products attracting $608.81 million. Analysts argue this institutional demand, combined with Solana's $120–$135 accumulation zone and a persistent $180 resistance cap, could set the stage for a move toward $180 and potentially higher levels. A separate meme coin project, Pepenode, has raised over $2.3 million as it targets speculative growth alongside any broader Solana rally.