∂₀ Sepolia Historical Archive
Early-block NFTs approvals from 286m decoded Ethereum events
What it does
We decoded 286 million raw Ethereum events from Sepolia's early blocks (genesis through ~3M) into clean, query-ready Parquet files. The focus is on ERC-20/ERC-721 transfers and approvals — the kind of data you'd need for ML training, compliance analysis, or building indexers. Getting historical decoded event data usually means running your own archive node or paying per-RPC-call. We had the infrastructure from another project, so we packaged the output as a flat file.
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∂₀ Complete Offline Sepolia ArchiveFeb 2026 · ▲2Every Sepolia event ever. 286M rows. 8 files. One purchase.
∂₀ Ethereum Mainnet Data- Genesis to tipFeb 2026 · ▲2358M decoded events. Buy once, query offline forever!
- 2G22 GB of Hacker News in SQLiteDec 2025 · hackerbook.dosaygo.com · ▲730
Community, All the HN belong to you. This is an archive of hacker news that fits in your browser. When I made HN Made of Primes I realized I could probably do this offline sqlite/wasm thing with the whole GBs of archive. The whole dataset. So I tried it, and this is it. Have Hacker News on your device. Go to this repo (https://github.com/DOSAYGO-STUDIO/HackerBook): you can download it. Big Query -> ETL -> npx serve docs - that's it. 20 years of HN arguments and beauty, can be yours forever. So they'll never die. Ever. It's the unkillable static archive of HN and it's…
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