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Alchemix has shut down its legacy cross-chain bridge and completed a transition to its V3 architecture, significantly enhancing security and efficiency, Odaily reported. The project has officially discontinued its older alUSD/alETH bridges on Optimism and Arbitrum, introducing a new architecture compatible with its V3 Alchemist. As part of the update, Alchemix has revised its cross-chain transaction verification (DVN) settings while maintaining a 2/3 multi-signature confirmation mechanism. Additionally, the project has onboarded telecommunications firm Deutsche Telekom as a new verification service provider.

One in 10 U.S. adults held or used cryptocurrency for payments in 2025, according to a new report from the U.S. Federal Reserve (Fed). Cointelegraph notes that this figure is an increase from 2023–2024 and approaches the all-time high of 12% recorded in 2021. The report found that 9% of respondents used crypto for investment purposes, while 2% used it as a payment method. Among those who used crypto for payments, 25% stated they did so because businesses preferred it for its speed and lower costs. The rate of cryptocurrency use for payments was three times higher among the unbanked population (6%) compared to the general adult population (2%).

An early Solana backer who has been staking SOL for over five years sold an additional 30,000 SOL, worth $2.56 million, eight hours ago, Lookonchain reported. This individual initially staked 991,079 SOL five years ago and began selling off the position a year ago. To date, the backer has sold a total of 965,274 SOL at an average price of $143. They continue to stake 381,140 SOL.

U.S. spot Ethereum ETFs recorded $86.4 million in net outflows on May 18, marking the sixth consecutive day of net outflows, according to data compiled by Trader T. - BlackRock's ETHA: -$55.4 million - Fidelity's FETH: -$14.7 million - Grayscale's ETH: -$10.1 million

On-chain analyst Lookonchain has suggested that Pump.fun (PUMP), a Solana-based memecoin issuance platform, may have resumed selling its SOL holdings. According to the analyst, a wallet presumed to belong to Pump.fun deposited 174,408 SOL, worth approximately $14.76 million, to Kraken about 13 hours ago. Subsequently, a new anonymous address withdrew 117,877 SOL (around $9.96 million) and exchanged it for 9.96 million USDC at an average price of $84.52. This USDC was then also deposited to Kraken. Lookonchain noted that this activity could be part of Pump.fun's move to sell its SOL. Previously, the analyst had pointed to a deposit of 82,700 SOL ($7.02 million) to Kraken by a Pump.fun address, suggesting a resumption of sales for the first time in about nine months since Aug. 12 of last year.

U.S. Bitcoin spot ETFs saw a net outflow of approximately $648.6 million (976.1 billion won) on May 18, according to data compiled by Trader T. This marks the second consecutive trading day of net outflows. - BlackRock IBIT -$448.4 million - Fidelity FBTC -$63.4 million - Ark Invest ARKB -$109.6 million

Zona's lending market, ZonaLend, has launched on the Pharos mainnet. ZonaLend will serve as the native lending layer for the Pharos ecosystem, enabling the utilization of liquidity from idle real-world asset (RWA) tokens.

Three figures from France's local cryptocurrency industry have argued in a joint op-ed that creating a legal framework for stablecoin payments is an urgent priority, French daily Le Monde reported. The contributors called for tax reform to encourage the adoption of stablecoin payments, noting a surge in online transactions conducted by AI agents that are predominantly settled in stablecoins. They criticized France's current tax system as outdated, arguing it is irrational now that the European Central Bank (ECB) legally recognizes regulation-compliant stablecoins as "e-money." The op-ed compared the current law to a hypothetical tax levied every time a user transfers money from a PayPal account to a bank account. This tax structure, they claimed, incentivizes French investors to hold their profits in stablecoins rather than converting them to euros. The authors concluded that France is being left behind as stablecoin infrastructure is built out globally.

Beosin Alert has analyzed that the recent $76.7 million hack of Ecoprotocol was caused by a private key leak. According to Beosin, the protocol utilized a single-signature method and lacked a timelock for large token minting events. The security firm also noted that 955 eBTC are currently stored in a single address.

The ratio of staked Ethereum (ETH) to its circulating supply has climbed to 31%, continuing its upward trend, Wu Blockchain reported. The figure had dropped to 26% at the start of the year before moving sideways around the 29% level. Wu Blockchain noted that this ratio reflects the confidence of long-term holders and is a factor in reducing the circulating supply. The firm added that the future expansion of spot ETH ETFs and the on-chain tokenization trend could attract institutional funds to the staking ecosystem. However, it explained that the reflection of these factors in ETH's price will depend on actual capital allocation by institutions.

Binance has announced it will temporarily suspend deposits and withdrawals for Moonbeam (GLMR) at 12:00 p.m. UTC on May 20 to support a network upgrade.

American Bitcoin (ABTC) has purchased an additional 200 BTC, placing it 15th among publicly traded companies worldwide by Bitcoin holdings, Eric Trump, son of U.S. President Donald Trump, announced on X. He also highlighted that American Bitcoin is operating nearly 90,000 Bitcoin miners, an achievement reached in just eight months. As of May, the company holds over 7,500 BTC.

South Korea's National Tax Service (NTS) is completely overhauling its system for seizing, holding, and selling virtual assets, Field News reported. The NTS announced today that it is upgrading its virtual asset management system, focusing on three core principles: stability, connectivity, and expertise. According to the agency, the move aims to address existing limitations, including inadequate measures for handling private wallets, a reliance on manual seizure processes based on official documents sent to exchanges, and a lack of on-site expertise. The overhaul follows a major security incident in February, when the NTS lost approximately 6 billion won ($4.4 million) in seized crypto. The assets were stolen after the agency inadvertently exposed sensitive information in a press release publicizing a seizure from a high-value tax delinquent.

U.S. crypto exchange Coinbase announced on its official X account that trading volume for its stock and precious metal-based perpetual futures has surpassed $1.5 billion within two months of launching. The exchange highlighted its 24/7 trading availability as a key advantage, noting that while traditional markets limit stock and precious metal trading to specific weekday hours, Coinbase allows users to trade these products at any time. Coinbase added that it currently supports over 20 real-world asset-based perpetual futures and plans to continue expanding its offerings.

South Korean financial authorities held a private meeting with the virtual asset industry to discuss proposed amendments to the enforcement decree of the Act on Reporting and Using Specified Financial Transaction Information, ZDNet Korea reported. Industry representatives at the meeting reportedly voiced concerns and requested a review of several key proposals, including: - A new obligation to report crypto asset transfers of 10 million won (about $7,250) or more to the Financial Intelligence Unit (FIU). - An expansion of the Travel Rule to cover transactions under the current threshold of 1 million won (about $725).

The following shows estimated liquidation volumes and position ratios for major crypto perpetual futures over the past 24 hours: - BTC: $104.74 million liquidated (73.02% longs) - ETH: $92.37 million liquidated (64.23% longs) - HYPE: $7.84 million liquidated (54.16% shorts)

Echo Protocol, a Monad (MON)-based Bitcoin liquidity project, announced on X that it has temporarily suspended all cross-chain transactions while it investigates a security incident on its bridge. The team added that it plans to promptly share further details through official channels as they become available. The announcement follows a report from Onchain Lens estimating that Echo Protocol had suffered a $76.7 million exploit.

South Korean crypto exchange Bithumb has announced the temporary suspension of Ripple (XRP) deposits and withdrawals due to wallet system maintenance. The suspension is effective from 2:33 a.m. UTC today.

Bitcoin miner Ionic Digital announced it mined 20.45 BTC in April, a 27.1% decrease from the previous month. The company held 2,836.4 BTC as of April 30.

Decentralized finance (DeFi) protocol Curvance announced on May 19 that it has temporarily suspended operations in its eBTC market. The protocol stated it detected abnormal signs in its Echo eBTC market around 10:00 p.m. UTC on May 18. Curvance added that there is currently no evidence of a smart contract attack or compromise and that other markets remain unaffected. The Echo eBTC market facilitates the deposit and lending of eBTC, a liquid Bitcoin token issued by the Monad (MON)-based Echo Protocol. The suspension follows a warning from on-chain analyst Onchain Lens earlier today, who suggested that Echo Protocol had suffered an exploit. The analyst reported that 1,000 eBTC, worth approximately $76.7 million, were minted without authorization and that the funds were likely stolen through Curvance.

South Korean crypto exchange Bithumb announced that it has designated Polaris Share (POLA) for its delisting watchlist. The exchange stated that the decision was made after a comprehensive review of the project's business progress, trading and adoption status, and community activity revealed multiple shortcomings.

Hyperliquid's new USDC revenue-sharing partnership with Coinbase and Circle could create sustained buying pressure for its HYPE token, CoinDesk reported. Under the agreement, USDC has been designated as Hyperliquid's official base asset. Coinbase will manage the USDC reserves on the network, while Circle will handle issuance, redemption, and cross-chain infrastructure. Market analysts believe Hyperliquid could receive up to 90% of the revenue generated from USDC deposited on its platform, which could then be used to fund HYPE buybacks. Ryan Watkins, co-founder of Syncracy Capital, said the partnership fundamentally changes Hyperliquid's business model. He explained that in addition to trading fees, the platform will now earn revenue from stablecoin deposits, allowing its income to scale with both trading volume and total assets under management. With over $5 billion currently deposited on Hyperliquid, Watkins estimated the USDC revenue sharing could generate an additional $135 million to $160 million in annual revenue.

An anonymous smart money address has accumulated 6,627 ETH, worth approximately $14.27 million, over the past three days, according to data from ai_9684xtpa. This same address previously purchased 11,004 ETH in 2016 at an average price of $3.45, realizing a profit of around $30.38 million. The average on-chain purchase price for the recent accumulation is $2,153.95, resulting in an unrealized loss of about $165,000 at current prices. According to CoinMarketCap, ETH is currently trading at $2,129.77, up 0.84%.

Nobitex, Iran's largest cryptocurrency exchange, has processed at least $2.3 billion through Tron (TRX) and BNB Chain since 2023, Reuters reported. Some Iran-related fund flows are reportedly still moving through these chains. The outlet noted that Tron founder Justin Sun and Binance are major sponsors of World Liberty Financial (WLFI), a project co-founded by the Trump family. While there is no evidence that the Trump family was aware of Nobitex's use of the network, the situation presents a potential conflict between U.S. policy on Iran and the Trump family's business interests, Reuters pointed out.

The Russian parliament is considering a mandatory monitoring system for cryptocurrency transactions exceeding one million rubles (approx. $11,000), Bitsmedia reported. The review is part of a supplementary bill to legislation on digital currencies and digital rights. The bill would significantly strengthen regulations for exchanges and related businesses, mandating customer identification, the detection of suspicious transactions, the establishment of internal control systems, the submission of data to government agencies, and integration with Russia's central bank.