Kaspersky reported on Thursday that a Windows-targeting infostealer dubbed 'Stealka' is spreading via video game cheats, mods, and pirated software. Distributed through GitHub, SourceForge, and Google Sites, it harvests autofill and extension data from over 100 Chromium- and Gecko-based browsers and threatens 115 extensions and 80 crypto wallets.

On December 22, 2025, Cardano founder Charles Hoskinson warned that rushing post-quantum cryptography could slow blockchain networks and increase costs. He said the necessary tools exist but are inefficient today, urging developers to track benchmarks including NIST's 2024 standards and DARPA's 2033 decision point.

MoonPay president Keith Grossman says tokenization will remake finance faster than digitization reshaped media. He cites institution-led pilots and regulatory milestones, including an SEC/CFTC joint statement in September and SEC approval for DTCC in December. The RWA market cap is nearly $19 billion excluding stablecoins, and DTCC handled about $3.7 quadrillion in 2024.

On Dec. 18, David Sacks said Sens. Tim Scott and John Boozman confirmed a CLARITY Act markup for January 2026. The article notes that key DeFi sections and the definition of "security" remain bracketed in Senate drafts, and most rules would be written over 360 days to 18 months after enactment.

On December 21, 2025 in San Francisco, Gem Wallet announced a unified USDT infrastructure across 10+ chains, adding integrated swaps, bridges, and anti-scam protections. The self-custody, open-source app supports Tron, Ethereum, Solana, BNB Chain, and TON, with biometric security and address-poisoning alerts. Availability spans iOS, Android, and web, with fiat on/off-ramps via MoonPay, Paybis, and Transak.

On December 21 2025, Ethereum co-founder Vitalik Buterin used Farcaster posts to argue that prediction markets help counter extreme opinions and misinformation on emotionally sensitive topics. He responded to criticism of platforms like Polymarket, claiming that small markets on major events do not create harmful incentives and can offer more accurate risk signals than social media or headlines. While Buterin firmly opposed assassination markets, he suggested social norms, oracle design, and journalistic standards as ways to make such markets unworkable.

A delivery network called Pipe reported that the Solana blockchain recently faced traffic peaking at around 6 terabits per second, a level its co-founders broadly acknowledged while the network continued producing blocks without downtime. Unlike earlier outages in 2021 and 2022, Solana’s mix of QUIC networking, stake-weighted quality of service, local fee markets, and priority fees throttled spam and kept confirmations stable with no major fee spike. Debate remains over whether the 6 Tbps figure represented a brief burst or sustained load, but the episode highlighted a design that channels malicious or low-stake traffic into slower lanes instead of knocking the chain offline.

On December 21, 2025, SantaStealer was detailed as a malware-as-a-service that prioritizes crypto wallets. It is promoted on Telegram and hacker forums with monthly plans at $175 (Basic) and $300 (Premium). Rapid7 links it to BluelineStealer and notes weak evasion, while data is exfiltrated in 10MB chunks over port 6767.