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OpenBlock

OpenBlock

MPC wallets

OpenBlock

OpenBlock is an MPC wallet with no seed phrase or private key for everyday Web3 users.

Free

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What is OpenBlock?

OpenBlock is a multi-chain MPC wallet that replaces seed phrases and private keys with a super-app login flow. Users sign in with email or social, hold and trade assets across EVM chains including Scroll, Arbitrum, and BNB Chain, and recover their wallet without managing seed backups.

Sponsor gas and bundle user ops in your app or on your chain

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Developer resources from Alchemy

What is ERC-4337?

What is ERC-4337?

ERC-4337 enables smart contract wallets on Ethereum without requiring any consensus-layer protocol changes.

Give your AI agent a wallet without giving it your keys

Give your AI agent a wallet without giving it your keys

Agent wallets in the Alchemy CLI let developers grant coding agents scoped, time-bound access to transact onchain without exposing private keys.

How Virtuals built the infrastructure for AI agent economies with smart wallets

How Virtuals built the infrastructure for AI agent economies with smart wallets

Programmable smart wallets enable tens of thousands of autonomous transactions across 10+ AI agents

OpenBlock alternatives

Explore web3 competitors and apps like OpenBlock.

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Portal is a blockchain infrastructure platform providing embedded MPC wallets, Enclave MPC APIs, and account abstraction for enterprises and developers.

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Binance Wallet is a keyless, multi-chain MPC wallet for managing crypto and exploring Web3 directly from inside the Binance app and a Chrome extension.

an MPC keyless wallet that bundles multi-chain crypto, payment cards, and gasless Solana transfers in one app.

Mirai App is a mobile MPC wallet bundling DeFi, peer-to-peer payments, gaming, and a mini-app store across Ethereum, BNB Chain, Polygon, Solana, and Avalanche.

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