Wallet

Sei rolled out zero-fee swaps across MetaMask, Backpack, and YeiFinance, a change that coincided with SEI climbing more than 10% over the past 24 hours. Trading volume jumped over 258% as activity spread across multiple wallets, though the token still sat in a descending channel with resistance near $0.062 and $0.070. TVL fell to $43.2 million, down 7.32% in 24 hours, raising questions about how durable the move is.

Bitgo Prime said it launched an integrated digital asset financing platform in New York on March 31, 2026, aiming to simplify collateralized borrowing and lending for institutional clients. The setup combines borrowing, lending, and collateral management in one workflow and supports liquid assets, locked tokens, and staked positions. It also enables crypto-backed loans against BTC, ETH, SOL, and various stablecoins through Bitgo's interface.

Google updated its post-quantum guidance on March 25, setting a 2029 target for full cryptography migration. On March 31, its Quantum and AI team published research suggesting elliptic-curve schemes could be broken with 20x fewer quantum resources than earlier estimates, raising urgency for wallet and signature security.

Square, a subsidiary of Block, Inc., will begin automatically enabling bitcoin payments for millions of eligible U.S. merchants starting March 30, 2026. Block's Bitcoin Product Lead Miles Suter said qualifying domestic sellers will have BTC acceptance turned on by default, while settlements will be delivered in U.S. dollars to reduce volatility exposure.

Coinfello launched March 30 at EthCC in Cannes, positioning itself as a self-sovereign AI agent platform built to automate on-chain actions while users keep custody of wallets and private keys. The web app uses delegated, user-defined permissions, human-readable transaction reviews, and smart accounts for automation, and it integrates with Metamask and other EVM wallets. Company executives say the product is aimed at retail users and developers now, with expectations for institutional adoption later.

Coinbase has suspended trading for Ronin (RONIN) as the network moves into the execution stage of its planned migration to a new Ethereum layer-2. The exchange said on 30 March that users can still withdraw funds, but it will not handle the migration for customers and RONIN must be moved to a compatible self-custodial wallet before the upgrade completes.

Aave has deployed on OKX's Ethereum Layer-2 network, X Layer, enabling OKX Wallet users to access Aave lending markets without bridging or setting up a separate wallet. The launch uses Aave v3.6 and supports eight assets, with six Efficiency Modes that can offer up to 88% loan-to-value on select liquid staking pairs. Aave holds $23.8 billion in TVL across its deployments, while X Layer's TVL was around $25 million before the integration.

Torg Grabber, a newly identified infostealer, is being deployed to target 728 crypto wallet browser extensions across 850 add-ons. The malware is designed to steal seed phrases, private keys, and session tokens using encrypted exfiltration routes, with browser-extension self-custody users as the main exposure surface.

On Wednesday, Trust Wallet introduced Agent Kit, a developer tool designed to let AI agents carry out real crypto transactions on more than 25 blockchains while keeping wallet control with users. The release supports two setups: a dedicated agent wallet with pre-set permissions, or a WalletConnect flow where an agent proposes actions that require user approval. Trust Wallet said the kit can be initialized from account creation to a working agent in under 15 minutes and is available via its Developer Portal.

Hong Kong has implemented new National Security Law rules effective March 23 that make it a criminal offense to refuse to provide passwords or help decrypt personal electronic devices. The measures apply to residents, visitors, and even transit passengers at Hong Kong International Airport, and allow police to access and retain phones or laptops deemed relevant to national security cases. While not aimed at digital assets, the change may affect people who manage crypto wallets, exchange logins, or authentication tools on their devices.