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— Wallet Guard (@wallet_guard) December 19, 2023

Another very interesting service is that of Blowfish, available on Solana and on 14 EVM networks like Avalanche, Ethereum, Arbitrum, Base, which thanks to its interface warns users who are visiting fraudulent web3 sites.

Blowfish also warns if it perceives that the content of a tx being signed appears dangerous and explains what is being authorized when signing each smart contract and which funds will be used.

Did you know Blowfish does more than just Solana?

We now support 14 different EVM chains and testnets, ensuring robust security across Ethereum, Polygon, BNB, Arbitrum, Optimism, & Base.

We\'ve also recently added support for Avalanche Main & Testnet and Zora Mainnet!🔗💼 pic.twitter.com/E7DZFgcp24

— Blowfish (@blowfishxyz) April 10, 2024

In order to safeguard one’s digital finances, the website Revoke.Cash is a must, which allows users to simply remove, through a unified dashboard, all previously signed token spending approvals, avoiding potential complications in case of a platform hack.

It often happens that when using a DEX and you have to approve the spending of a token, the authorization is not canceled at the end of the operation, leaving an attack vector for scammers and hackers.

Revoke works on over 80 decentralized networks, including Avalanche.

We\'ve had reports from people using some alternative revoking tools that do not have these safeguards in place, causing losses.

That is why we recommend using https://t.co/MkINKOiX5N, especially when using chains where this scam is prevalent, such as BNB Chain.

Stay safe! 🫡

— Revoke.cash (@RevokeCash) May 9, 2024

Among the other useful services in terms of web3 security, capable of preventing cyber attacks and saving our finances, we find Stelo, TrustCheck, Fire, Pocket Universe, AegisWeb3, and Web3 Antivirus.