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Circle has unfairly frozen 16 hot wallets linked to businesses operating cryptocurrency exchanges and online casinos, Cointelegraph reported. On-chain analyst ZachXBT criticized the move, arguing that any analyst with basic tools could have determined in minutes that these were legitimate business wallets, given they processed thousands of transactions. Tech critics note that the ability of issuers to freeze centralized stablecoins contradicts the core crypto ethos of permissionless, censorship-resistant assets.

Google has announced an official timeline to transition its entire infrastructure to post-quantum cryptography (PQC) by 2029, Decrypt reported. The announcement, made by Google's Vice President of Security Engineering Heather Adkins and Lead Cryptography Engineer Sophie Schmieg, is a response to rapid advancements in quantum hardware, error correction, and factorization resource estimates. According to Project Eleven, more than 6.8 million Bitcoin are estimated to be vulnerable to quantum attacks. The developer community is currently discussing the introduction of quantum-resistant addresses through BIP 360.

An application has been filed for a Cryptex Digital Market Cap ETF, according to Bloomberg ETF analyst Eric Balchunas. The proposed fund would directly hold around 30 different cryptocurrencies, a significantly larger basket than what is currently available on the market.

Six wallets suspected of insider trading are betting on the prediction market Polymarket that the U.S. and Iran will agree to a ceasefire by March 31, BeInCrypto reported. These wallets previously earned $1.2 million by accurately predicting a U.S. attack on Iran on Feb. 28. They have wagered $100,000 on the current ceasefire bet.

X (formerly Twitter) has hired Benji Taylor, a designer with extensive experience in cryptocurrency products, as its new head of design. The move comes as Elon Musk announced that early public access to the platform's financial app, X Money, is scheduled to launch as early as April. According to CoinDesk, Taylor will lead design efforts at X in collaboration with xAI and SpaceX. Taylor previously founded Los Feliz Engineering, the developer of the self-custodial crypto wallet Family, which was acquired by Aave developer Aave Labs in 2023. He also served as the head of design for Coinbase's Base.

Salman Banaei, General Counsel of the RWA-based blockchain project Plume (PLUME), argued at a hearing before the House Financial Services Committee that security tokens should not be treated as a new asset class. He contended that they should instead be integrated by appropriately amending existing regulations. According to Wu Blockchain, Banaei also warned that policy uncertainty could weaken the U.S.'s position in global tokenization leadership.

Cryptocurrency infrastructure firm BitGo has partnered with ZKSync to integrate blockchain technology, enabling banks to issue and settle deposit tokens within existing regulatory frameworks. According to CoinDesk, the project combines BitGo's institutional custody and wallet services with Prividium, ZKSync's private blockchain infrastructure for institutions. The initiative aims to allow banks to issue, transfer, and settle deposit tokens while maintaining compliance and control. The technology is currently being tested with regulated financial institutions, with a broader commercial launch planned for the second half of this year.

The three major U.S. stock indices closed higher today. - S&P 500: +0.54% - Nasdaq: +0.77% - Dow Jones: +0.66%

Formula One (F1) racing team McLaren has joined the Hedera (HBAR) Council. According to Decrypt, McLaren will serve as a governing member with voting rights to help support the operation of the enterprise blockchain network.

Clear Street Investment Banking believes the recent sell-off in Circle (CRCL) stock is excessive, Decrypt reported. The stock plunged 20% following the announcement of an agreement on the U.S. crypto market structure bill (CLARITY). According to Clear Street analyst Owen Lau, a potential ban on paying interest on stablecoin balances would not slow the adoption of USDC. He explained that while short-term revenue expectations might need to be lowered, the strategic demand for the stablecoin remains strong. Lau added that growth drivers such as tokenization, AI-based payments, prediction markets, and increased institutional investment in regulated payment systems will remain unchanged. Clear Street maintained its $152 price target for Circle.

There will be no talks with the United States, Iranian Foreign Minister Araghchi said, according to Walter Bloomberg. Araghchi stated that Iran has shown the world that no country can threaten its security and that Tehran demands a permanent end to the war and compensation for destructive acts. He emphasized that while the U.S. is sending messages through various intermediaries, this exchange does not constitute negotiations.

Coinbase has stated it cannot support a compromise on a proposed U.S. Senate crypto market structure bill, known as the CLARITY Act, due to a provision that would ban interest payments on stablecoin balances, U.Today reported. Company spokespeople voiced their opposition to the interest prohibition during a meeting on March 23. In January, Coinbase publicly opposed a similar bill, a move that scuttled a vote in the Senate Banking Committee. U.Today noted that the CLARITY Act faces significant hurdles without Coinbase's backing, as the exchange is a major financial contributor to Fairshake, a prominent crypto industry Super PAC, and wields considerable political influence.

According to Walter Bloomberg, Iranian Foreign Minister Abbas Araghchi said the U.S. has failed to achieve its war objectives, including a quick victory and regime change.

Cryptocurrency analytics firm TRM Labs has launched an AI agent capable of analyzing on-chain data using natural language, CoinDesk reported. The agent, which will be offered to law enforcement agencies, crypto companies, and financial institutions, allows users to track on-chain activity using everyday language. According to the company, this can significantly reduce the time required to trace criminal activities.

Of the blue-chip crypto projects that once generated over $10 million in monthly fees and issued their own tokens, 12.5% are now inactive, Unfolded reported, citing data from DeFiLlama. In contrast, the inactivity rate for similar projects without tokens is only 8.3%.

Whale Alert reported that 250 million USDC has been minted at the USDC Treasury.

Nine altcoins are currently closer to their all-time highs (ATH) than Bitcoin, CryptoSlate reported. These altcoins include STABLE, SIREN, M, HYPE, Tron (TRX), Canton Network (CC), KITE, SKY, and Leo (LEO). According to CryptoSlate, the cryptocurrencies nearing their peaks faster than Bitcoin are often linked to specific themes such as the Solana ecosystem, artificial intelligence, and real-world assets (RWA). While not on the primary list, other tokens like Solana (SOL), BNB, Bittensor (TAO), and Chainlink (LINK) have also recently posted gains surpassing Bitcoin's. This phenomenon suggests that market liquidity is rotating from BTC into altcoins with specific investment themes, the outlet explained.

During a U.S. House Financial Services Committee hearing on tokenization on March 25, Representative Maxine Waters accused President Donald Trump's family of corruption related to their involvement in the cryptocurrency industry. According to CoinDesk, Waters, a Democrat, criticized the Trump administration's crypto policy, highlighting what she described as blatant corruption from the family's personal involvement in crypto businesses. She estimated that the Trump family has earned approximately $1 billion from these ventures. Meanwhile, the hearing reportedly acknowledged that the advent of tokenization technology is an inevitable reality rather than a theoretical future. A majority of the committee members agreed that security tokens generally require the same regulatory safeguards as traditional securities trading.

The White House has stated that the U.S. will take stronger measures if Iran does not admit defeat. White House spokesperson Karoline Leavitt added that Iran is willing to talk and U.S. President Donald Trump is ready to engage, noting that the U.S. has had productive talks over the past three days.

Walrus (WAL), a storage protocol based on the Sui (SUI) network, has unveiled MemWal, a dedicated memory layer for AI agents, according to an announcement on its official X account. The project states that MemWal addresses challenges in decentralized data storage and enables agents to permanently remember and share conversational and reasoning processes. This capability allows for applications such as simultaneous collaboration among multiple agents.

Global payments giant Visa is joining Canton Network, a blockchain for tokenizing real-world assets, as a validator, Decrypt reported. It is the first major payments company to do so. Visa will be one of Canton Network's 40 super validators and plans to use the network's privacy-preserving technology to help banks build stablecoin payment and settlement systems.

Whale Alert reported that 3,205,612 SOL has been unlocked from escrow at an unknown wallet.

Startale, a Web3 joint venture between Japan's SBI Holdings, Sony, and the Astar Network Foundation, has raised $63 million in a Series A funding round, CoinDesk reported. The total combines a $13 million investment secured from the Sony Innovation Fund in January with a new $50 million from SBI Group. The funds are slated to be used to strengthen Strium, a Layer 1 chain dedicated to security tokens, enhance its stablecoin business, and improve its dedicated app. Startale has previously unveiled a Japanese yen stablecoin, JPYSC, and a U.S. dollar stablecoin, USDSC.

Crypto incubator Obex has announced a $1 billion investment to link the Sky stablecoin USDS with yields generated from real-world assets such as AI data centers, housing, and energy. According to CoinDesk, initial partners include Maple, USD.ai, Daylight, Centrifuge, Securitize, River, TVL Capital, and Better, who will work to connect the crypto market with traditional industries. Last year, Obex gained the authority to invest up to $2.5 billion of Sky's USDS reserves into real-world assets to generate returns.

The Trump administration has not yet received an official message from Iran rejecting its proposal, Walter Bloomberg reported, citing Axios.