Blockaid
Never holds your funds
Transaction and site screening, used inside several major wallets to warn before a malicious signature.
Directory
Security
Contract checks, monitoring, and recovering from mistakes. Every listing says what a company is good for and what to watch out for. Sponsors can buy placement here. They can never buy a rating, and the methodology page says so in writing.
Etherscan
Never holds your funds
Ethereum block explorer. Where you verify that a transaction actually happened, rather than taking a dashboard's word for it.
Founded 2015
GoPlus Security
Never holds your funds
Contract security data — honeypot behaviour, sell taxes, transfer restrictions. We use their API in the Sellability tool.
Revoke.cash
Never holds your funds
Free tool for reviewing and cancelling the token approvals you have granted to smart contracts — the permission most wallet drains actually rely on.
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Listings are our own opinion, written by us. Some links are commercial and marked as such — see how we make money. Nothing here is financial advice, and a listing is not a recommendation to use a service.