Hardware wallet maker Tangem said it generated $61.3 million in 2025 revenue, up 102% year over year, as it shifted its focus to what it calls 'active self-custody.' The company said growth increasingly came from repeat in-app activity rather than one-time device sales, with monthly active users of its in-app services rising 50%.

A cross-party UK parliamentary committee called for an immediate moratorium on cryptocurrency donations to political parties until stronger safeguards are introduced ahead of the next general election due by August 2029. It also proposed a new Political Finance Enforcement Unit, lowering the gift declaration threshold from 11,180 British pounds ($14,900) to 500 pounds ($668) and raising the maximum custodial sentence for foreign-financing wrongdoing to three years.

NVIDIA (NVDA) traded higher in premarket on March 18, 2026 after China approved sales of its H200 AI chips, enabling the company to restart production and resume shipments. The stock closed at $181.93 on March 17 (down 0.69%) and was quoted at $183.95 in premarket, up $2.02 or 1.11%.

Ripple Chief Legal Officer Stuart Alderoty responded after the U.S. SEC reclassified XRP, Solana (SOL) and Cardano (ADA) as nonsecurity crypto assets. In a March 18, 2026 post on X, he said Ripple "always knew" XRP was not a security and argued the shift could mean less restrictive rules. XRP was trading at $1.51, down 1.19% in 24 hours, while volume fell 41.25% to $3.07 billion.

On March 17, the U.S. SEC released new guidance explaining how federal securities laws apply to different crypto assets and activities. The framework outlines categories such as digital commodities, stablecoins, digital collectibles, digital tools, and digital securities, and also addresses airdrops, staking, protocol mining, and token wrapping. Issued in coordination with the CFTC, officials said the interpretation is intended to reduce long-standing classification uncertainty and support clearer oversight.

Bitcoin (BTC) was trading around $74,000 on Wednesday after hitting $76,000 on Tuesday, with traders watching for volatility around the FOMC rate decision and Jerome Powell's remarks. Key technical areas highlighted include resistance at $76,000–$80,000 and downside zones at $72,000–$65,000, then $62,500–$60,000 if support fails. Spot Bitcoin ETFs also recorded $199 million of inflows on March 17, extending positive netflows to seven straight days.

Bitcoin spot ETFs recorded $199.4 million of net inflows on March 17, extending a second consecutive strong session as BTC traded near $74,100. Ethereum-focused ETFs also drew $138.2 million, with BlackRock-led products offsetting outflows in some competing funds. Altcoin vehicles stayed smaller but improved, including $17.8 million into Solana ETFs and $4.64 million into XRP-linked products.

Moody's said Tuesday it launched a network-agnostic Token Integration Engine (TIE) aimed at delivering its credit analysis directly into onchain workflows. In the initial rollout, the ratings firm is operating a node on the Canton Network and said participation will be issuer-led so asset issuers can embed ratings into blockchain-native processes. Separately, Moody's also released its finalized stablecoin rating methodology on Tuesday, centered on reserve-asset credit quality and risks such as liquidity, operations and technology.