Japan's Financial Services Agency expanded the country's crypto travel rule coverage on April 25, 2025 by adding 30 jurisdictions, bringing the total scope to 58 markets. The change increases compliance and information-sharing requirements for licensed exchanges and stablecoin-related service providers handling cross-border transfers.

Drift Protocol was exploited for $280 million on April 1, 2026, in an incident initially dismissed by some due to its April Fools' timing. Investigators later attributed the breach to the UNC4736 group, saying the attackers blended long-running social engineering with device compromises that enabled multi-sig approvals.

Drift Protocol released a detailed Saturday update on its April 1 incident that drained about $280 million from its Solana perpetuals exchange, describing a roughly six-month social engineering campaign that began around fall 2025. The attackers allegedly posed as a quant firm, met contributors at multiple conferences, and deposited over $1 million into an Ecosystem Vault before obtaining pre-signed approvals and taking control within minutes. Drift and SEAL 911 said they have “medium-high” confidence the operation matches the North Korea-aligned actors behind the $50 million Radiant Capital hack in October 2024, while Mandiant has not yet issued formal attribution.

Anthropic changed how Claude Pro and Max subscriptions apply to third-party agent frameworks on April 4, 2026, starting with Openclaw, pushing heavier users toward pay-as-you-go "extra usage" or API keys. The shift has raised expected costs for always-on crypto automation, with extreme one-day agent runs estimated at $1,000 to $5,000. Enforcement is expected to broaden to other third-party harnesses starting April 2026.

X plans to automatically lock any account the first time it mentions cryptocurrency, forcing additional verification before it can post again. X Head of Product Nikita Bier said the change removes "99%" of incentives for phishing-driven account takeovers, though it could add friction for legitimate first-time crypto posters.

X will begin automatically locking any account that mentions cryptocurrency for the first time, requiring extra verification before it can post again. X Head of Product Nikita Bier said the change would remove "99%" of phishing incentives, but critics argue it could also force legitimate first-time crypto posters to verify their identity.

On April 5, 2026, Ripple said Ripple Treasury joined the SWIFT Certified Partner Program, linking its treasury tools to SWIFT’s Alliance Lite2 for bank connectivity. The company says teams can manage fiat alongside XRP and RLUSD from one interface and choose settlement via SWIFT or on-chain, where transfers may complete in three to five seconds.

On April 3, 2026, a Nevada state judge in Carson City issued a preliminary injunction against Kalshi, finding its event contracts effectively mirror unlicensed gambling. The order extends a temporary restraining order first entered on March 20, 2026, and requires Kalshi to add geofencing by May 4, 2026, to block Nevada-based users.