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C

Contact0x

Guardrail against wallet poisoning

Created on 21st February 2026

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C

Contact0x

Guardrail against wallet poisoning

The problem Contact0x solves

Prevents wallet poisoning, an $80 million dollar issue, by creating a whitelisted contact book extension to autofill wallet addresses for transactions.

Challenges I ran into

Our team ran into some issues, so this is an overnight build :)

Use of AI tools and agents

No AI agents, utilized Vercel to mock a wallet with the extension

Tracks Applied (1)

New France Village

Mainstreet adoption

Technologies used

Discussion

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