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Dev tools · December 29, 2022

fallback() – write web apps in Solidity and serve HTTP over Ethereum

Hi HN! I recently open-sourced a project I’ve been working on over my winter break: a Solidity web framework you can use to write web apps in Solidity (and more generally, a proof-of-concept implementation of an arbitrary network protocol over Ethereum). Here’s a demo web app on the Optimism Goerli testnet: http://simple.fallback.natecation.xyz/ Running this Solidity code: https://github.com/nathanhleung/fallback/blob/main/src/examp... There’s a lightweight TCP server script that’s listening on the demo app domain that forwards requests…

fallback() – write web apps in Solidity and serve HTTP over Ethereum launched on December 29, 2022 with 9 votes, #1,295 of 3,688 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 3 years on.

What it does

💸 Write web apps in Solidity — a Solidity web framework / a proof-of-concept implementation of HTTP over Ethereum. - nathanhleung/fallback

In the maker’s words, at launch

Hi HN! I recently open-sourced a project I’ve been working on over my winter break: a Solidity web framework you can use to write web apps in Solidity (and more generally, a proof-of-concept implementation of an arbitrary network protocol over Ethereum). Here’s a demo web app on the Optimism Goerli testnet…

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