Grayscale Research expects Bitcoin to set new all-time highs in 2026, pushing back against the widely held “four-year cycle” narrative. The firm said this cycle has not seen the usual parabolic surge driven by retail traders, with institutional inflows, potential rate cuts, and progress on U.S. crypto legislation all supporting a break from the traditional cycle.https://t.co/osBC0MF6wn ...

Crypto ETF Flows - Bitcoin spot ETFs recorded a net inflow of $8.48 million, marking four consecutive days of inflows [1] - Ethereum spot ETFs experienced a net outflow of $79.06 million, ending a five-day inflow streak [1] - XRP spot ETFs posted net inflows of $89.65 million [1] - Solana spot ETFs saw net outflows of $13.55 million [1]

Coinbase Institutional announced that in the fourth-quarter rebalancing, six assets were added to the Coinbase 50 Index (COIN50): Hedera (HBAR), Mantle (MANTLE), VeChain (VET), Flare (FLR), Sei (SEI), and Immutable (IMX). At the same time, six tokens — SKL, AKT, LPT, SNX, HNT, and CVX — were removed from the index.https://t.co/mArCYQ0Ua5 ...

AI Exploit Capabilities - AI agents now possess significant on-chain exploit capabilities, demonstrating the feasibility of autonomous, profit-seeking smart-contract exploitation [1] - AI models (Claude Opus 4.5, Sonnet 4.5, and GPT-5) reproduced approximately $4.6 million in exploit value from simulated smart-contract hacks between 2020 and 2025 [1] - AI models uncovered two new zero-day bugs in recently deployed contracts with no known vulnerabilities and generated profitable exploits [1] Growth of AI-Driven Exploits - AI-driven exploit revenues have doubled roughly every 1.3 months, indicating rapid growth in this area [1]

Following US sanctions, Huione Pay, the world's largest money laundering network in Cambodia, experienced a massive run on its banks. On December 1, it abruptly announced a shutdown until January 5 of next year and initiated a deferred repayment plan. Large queues of users have formed outside its Phnom Penh headquarters. https://t.co/dQ8J98V3Sy ...

According to Miner Weekly, Bitcoin miners are now in their most difficult profitability environment ever, as November’s sharp BTC pullback pushed hashrate revenue down from roughly $55/PH/s in Q3 to about $35/PH/s, below the $44/PH/s median all-in cost for major public miners. With network hashrate nearing 1.1 ZH/s, cost-per-hash better reflects true earnings under current difficulty, leaving even the latest mining rigs facing payback periods over 1,000 days, longer than the roughly 850 days until the next ...

Kalshi told CNBC that support for tokenized wagers linked to its event contracts is now live on Solana, enabling users to buy and sell the tokenized versions on-chain with additional anonymity while functioning the same as the regular contracts. DFlow and Jupiter will act as institutional clients, bridging the exchange’s off-chain orderbook to Solana’s liquidity. https://t.co/UevlO3XR8E ...

According to Bloomberg, Vanguard will begin allowing ETFs and mutual funds that primarily hold Bitcoin, Ether, XRP, Solana, and other cryptocurrencies to trade on its platform starting December 2, 2025, ending its long-standing stance against supporting crypto products. Vanguard said it will support most crypto ETFs and mutual funds that meet regulatory requirements but will not launch its own crypto products and will continue to exclude funds linked to memecoins. https://t.co/xXDUzGk9bp ...

Coinbase announced that spot trading for Plasma (XPL) will go live on December 2, 2025, with the XPL-USD trading pair opening at or after 9 AM PT if liquidity conditions are met. ...

Coinbase announced that it will list Rayls (RLS) for spot trading on December 1, 2025, with the RLS-USD trading pair opening later in supported regions if liquidity conditions are met. Rayls is an EVM-compatible blockchain ecosystem that provides enterprise-grade privacy, scalability, interoperability, and decentralization. https://t.co/Wgp5cbVews ...