Security

An AI Agent is an artificial intelligence system that can plan tasks around specific goals, call external tools, and perform multistep operations. Unlike traditional chatbots, which primarily answer questions, AI Agents can connect to code repositories, databases, cloud services, enterprise collaboration platforms, and automation systems, moving beyond information processing into actual business execution. This capability improves work efficiency and is also making AI systems an increasingly integral part of enterprise access control frameworks.

In the crypto realm, prevention is always better than cure. Losing access to a cryptocurrency wallet or discovering that digital assets have been stolen can be difficult to resolve. Unlike traditional financial transactions like a bank transaction, a confirmed crypto transfers generally cannot be reversed simply by contacting a bank or payment provider. But recovering lost crypto may not be impossible even though chances are slim.

Cryptocurrency transactions are recorded on blockchains, making many transfers publicly traceable, but stolen crypto rarely stays in one place: after a theft, it often moves across multiple wallets, blockchains, bridges, decentralized exchanges, and privacy-focused services, which makes tracking and recovery far more difficult.

How can malicious EIP-7702 delegations drain a crypto wallet? Learn how delegated contracts work, how to detect unauthorized control, and how to respond safely.

Can stolen cryptocurrency be frozen or recovered? Explore blockchain transaction finality, stablecoin blacklists, exchange freezes, on-chain tracing, and legal recovery.

A crypto exchange hack is an unauthorized transfer of crypto assets out of exchange-controlled wallets after attackers bypass withdrawal risk controls and signing. Most large incidents involve compromised credentials or address authorizations rather than leaked private keys, and recovery depends on issuer freezes, tracing, and the operator's ability to pay.

Explore how EIP-7702 changes Ethereum wallet security, including account delegation, malicious authorization, asset theft risks, and ways to protect funds.

Revoking an EIP-7702 delegation takes two moves: call eth_getCode on the target chain to see whether the code field begins with the 0xef0100 23-byte designator, then sign a type 0x04 transaction that authorizes the zero address from inside the wallet. Checking every chain takes as long as the number of chains involved, and the revocation itself needs one onchain confirmation.

AI-assisted attacks can affect crypto security across smart contracts, wallets, account credentials, and infrastructure. Learn how projects, platforms, and users can identify risks and strengthen their defenses.

EIP-7702 delegation writes an EOA's code field as 0xef0100 plus the delegate address, so the account keeps its address and private key while running the delegate's code in its own context. A type 0x04 transaction carries the authorization tuple, and the delegation lasts until it is overwritten or revoked.

An AI-assisted exploit uses artificial intelligence to support vulnerability research, attack preparation, and malicious content generation. Explore its mechanisms, common forms, limitations, and security implications.

A hot wallet used for daily interactions can enable EIP-7702 delegation, while a cold wallet held for long-term storage should stay a plain EOA, keeping complexity on an address that is easy to replace. Two questions decide it: whether the signing device can sign an authorization list, and whether the delegate is immutable, non-proxy, and deployed from standard initcode.

Learn how personal data leaks enable targeted crypto phishing, account takeovers, and asset theft, and discover practical ways to protect exchanges and wallets.

What is PHP2Shell? Explore PHP remote code execution risks, potential threats to crypto accounts and Web3 wallets, and practical security measures.

Losing cryptocurrency through a hack, phishing attack or accidental transfer can be difficult to resolve because confirmed blockchain transactions generally cannot be reversed. However, this does not mean stolen cryptocurrency can never be recovered.