Echooo : Crypto AA Wallet&DeFi 4+

Echooo is a decentralized, self-custodial multi-party computation and smart contract wallet application that supports multi-signature and social recovery. Utilizing Echooo's unique AI-driven technology architecture combined with layer2 networks, it significantly reduces transaction costs while ensuring security. Moreover, Echooo adopts the ERC-4337 standard, continually optimizing account abstraction to provide a better experience for more users, facilitating a seamless transition from Web2 to Web3.

Hybrid Wallet (EOA + AA Vault):
An EOA wallet protected with MPC, suitable for high-frequency trading.
An AA smart contract account vault, enabling secure transactions through multi-signature and social recovery, supporting ERC-4337.

Security:
Echooo does not require mnemonic phrases, ensuring security through algorithmic encryption and cloud storage technology.
A multi-layer security infrastructure, integrating MPC, TEE (Trusted Execution Environment), and multi-signature infrastructure, ensures impenetrable asset safety.
An account recovery mechanism eliminates single points of failure.

Multi-Chain Support:
Echooo currently supports major public chains and their complete asset portfolios, including Bitcoin, Ethereum, zkSync Era, Polygon, Arbitrum, Optimism, BNB Chain, Tron, Meter, Scroll, and more, offering one-stop full-chain asset management.
Echooo natively integrates a cross-chain bridge, enabling users to freely transfer assets across chains with one click.

Embedded AI Engine:
A unique AI-driven technology architecture: Combining layer2 networks to significantly reduce transaction costs for the Echooo wallet.
Real-time risk detection: Immediate notification to users upon risk detection.
Smart trade router: Sourcing liquidity from various DEXes and splitting a single transaction across multiple DEXes to ensure the best exchange rates.

Convenience:
Supports multiple currencies for paying Gas fees, such as Tether (USDT), USD Coin (USDC), and DAI.
Provides timely insights into the latest market trends, including price movements of major digital currencies, top tokens, and trending assets.