Seeking Feedback: A New Tool to Prevent Crypto Transfer Mistakes

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Hi everyone,

I’m exploring the development of a tool called Crypto Transfer Guard, designed to help users prevent costly mistakes when sending cryptocurrency. Before building it, I’d love to hear your thoughts.

The basic idea:

  • It runs locally on your PC and/or browser, without accessing your wallet or private keys.

  • It automatically checks transactions before you hit “send” to catch common errors, like:

    • Wrong address or chain

    • High-value transfers without confirmation

    • Clipboard/address tampering

It’s not a wallet and doesn’t manage your funds—it’s purely a protection layer to stop mistakes before they happen.

Questions for the community:

  1. Would a tool like this be useful in your daily crypto transfers?

  2. What features do you think are essential for real protection?

  3. Are there any risks or challenges you foresee with this type of software?

Your feedback would be extremely valuable in shaping the product in a way that truly helps the community.

Thanks in advance for your insights!

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I guess my main questions would be in the vein of “why your tool?”

Rabby wallet: checks addresses and defaults to requiring you to explicitly allow sending to non-whitelisted ones. When interacting with contracts, flags ones that are new, rarely used, and unknown – requires you to allow flagged stuff.

Kerberus extension hits address poisoning explicitly. I’m not sure if it hits the other sub-bullets you noted.

Blockfence extension is adjacent – it focuses on risk from contracts and web2 sites. I don’t think it does the crypto transfer thing you suggest.

Fwiw, I use Rabby nearly all the time and Tenderly for higher value stuff (though I think Tenderly is too much to ask of normal users).

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