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zFi

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@z_fi_

The Ethereum Exchange:
zfi.wei.is

Swap, Launch, Predict. 100% onchain.

open API: api.zfi.wei.is
Ethereum zfi.wei.is Joined April 2025
0 Following 4.7K Followers 199 Posts

Latest posts 5

zFi Verified account @z_fi_
"zSwap is a DEX frontend deployed ENTIRELY into Ethereum contract bytecode"

zFi is pushing the frontier for secure provable DeFi
Bankless Verified account @Bankless Apr 22
DNS hijacks are spiking in crypto. CoW Swap and eth (dot) limo were both hit. You visit a frontend, everything looks normal, you sign a transaction and funds go to an attacker's wallet.

The defense isn't better detection. It's frontends that STRUCTURALLY can't be cracked.

Two approaches already exist:

> IPFS + ENS: Your frontend lives on a distributed file network instead of a server. Point your web3 domain (ENS) at that file. No DNS, no central server to compromise

> Fully onchain (ERC-4804): The app itself lives inside smart contracts. The frontend is served directly from Ethereum

Sadly though, regular browsers can't load either. That’s why we have web3 browsers like:

> Freedom Browser: open-source browser that loads ENS domains and IPFS sites natively, the same way Chrome loads (dot) com addresses

> EVM Browser: built around the web3:// protocol, loads apps served directly from smart contracts on Ethereum or any EVM chain

The proof of concept is already live. @z0r0zzz built zSwap is a DEX frontend deployed ENTIRELY into Ethereum contract bytecode for under $5. Anyone can load it through EVM Browser. In other words: No servers, No DNS, Nothing to hack.

Every DeFi project should ship a permanent onchain frontend as a fallback. Best security is just to go straight to the contract. The tools exist. Build toward it.
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