Zcash has rolled out Network Upgrade 7 (NU7) on testnet, reducing block production time from 75 seconds to 25 seconds and aiming to boost throughput. The update also adds a miner-support mechanism that redirects part of transaction fees into a fund and changes fee rules to make spam-style oversized transactions far more expensive. ZEC was trading around $633.35 at the time of writing, down 4.68% over the past 24 hours.

Dogecoin traded around $0.105 after rising about 2% in 24 hours, as on-chain metrics showed large holders accumulating 525 million DOGE over the past 96 hours. The buying window coincided with claims about SpaceX moving toward an IPO, while traders watched $0.11–$0.12 as a key resistance zone and $0.095 as nearby support.

Solana Floor warned on May 22, 2026 that scammers are impersonating Jupiter Exchange's Jupuary program by airdropping fake "$CJUP" tokens to Solana wallets and steering users to a wallet-draining phishing site. Jupiter has not announced any active distribution for May 2026, and users are advised to verify eligibility only through the official jup.ag airdrop checker and avoid interacting with unsolicited tokens.

XRP logged a $12.57 million weekly ETF inflow as of Friday, May 23, while Bitcoin and Ethereum posted net weekly outflows. The same dataset shows Bitcoin recorded $1.15 billion in outflows and Ethereum saw $209.32 million in withdrawals over the period. XRP also traded around $1.36 during the week, staying below $1.40 amid broader bearish sentiment.

Canary Capital CEO Steven McClurg says XRP could see investor interest rise 30% before December, and he believes the token's price could double from its current level. He also outlines a three-stage market path for the rest of 2026, warning of near-term pressure before a potential post-midterm pickup tied to ETF flows and regulation. XRP was around $1.40 when the comments were made, implying a move above $2.80 if his December target is met.

Sui introduced protocol-level gasless transfers for supported stablecoins on May 20, 2026, enabling $0.00-fee sends without users needing to hold SUI for gas. The update was followed by a 7.11% 24-hour price jump and a 48.46% volume increase to $734.6 million, while SUI later retraced part of the move. As of May 22, 2026 (09:37 UTC), SUI traded at $1.1032 and was down -1.81% on the week.

Dogecoin saw a fresh accumulation burst as whales bought over 525 million DOGE within 96 hours while price compressed near the 200-day moving average around $0.117. U.S. spot DOGE ETF flows stayed inactive over the same window, with the last reported inflow of $860,960 dated May 18. The setup leaves DOGE at a decision point: a break above the long-term line could shift momentum, while rejection may extend the current range.

XRP saw 4,300 newly created wallets in a single day, ranking as its fourth-largest daily network-growth surge of 2026. The move came as XRP traded around $1.36 on May 22, down 1% in 24 hours while weekly and monthly losses reached 7.5% and 6.5%, respectively.