{
  "chain": "btc:testnet4-blake2b",
  "alias": "txbt4",
  "description": "UTXO set at the last block shared with Bitcoin Core's testnet4 (150307), the natural genesis state of the BLAKE2b chain; Core dumptxoutset v2 format",
  "base_height": 150307,
  "base_hash": "000000000017ec2251d81c8d2ca401c713e98e85196c7f660a4088a7ca57b1cc",
  "txoutset_hash": "372bfcaeef1e93892acccda9e700b00bf90f45d73746d69959d33620a3df5518",
  "coins": 14230182,
  "nchaintx": 14813091,
  "file": "utxo-knots-150307.dat",
  "bytes": 869836053,
  "sha256": "86118db3a692b7c64bd4d9aef51a401f09722b9e92acb2826e7e76ac964529cd",
  "produced_by": "Bitcoin Knots v29.4.1.knots20260508, dumptxoutset rollback=150307, 2026-09-14",
  "note": "Core 31's dumptxoutset refused rollback to this height; both nodes agree on the block hash at 150307, so the set is a function of the shared chain",
  "infohash": "242e9b7dcba15cc0ed8f1bc5f06b68da008f87c0",
  "magnet": "magnet:?xt=urn:btih:242e9b7dcba15cc0ed8f1bc5f06b68da008f87c0&dn=utxo-knots-150307.dat&tr=wss%3A%2F%2Ftracker.openwebtorrent.com&tr=wss%3A%2F%2Ftracker.webtorrent.dev&tr=wss%3A%2F%2Ftracker.btorrent.xyz&tr=udp%3A%2F%2Ftracker.opentrackr.org%3A1337%2Fannounce&tr=udp%3A%2F%2Fopen.tracker.cl%3A1337%2Fannounce&ws=https%3A%2F%2Fmelvin.me%2Fdatstr%2Fsnapshots%2Futxo-knots-150307.dat",
  "webseed": "https://melvin.me/datstr/snapshots/utxo-knots-150307.dat",
  "torrent": "https://melvin.me/datstr/snapshots/utxo-knots-150307.torrent",
  "nostr_event": {
    "kind": 2003,
    "id": "86d79268db161d71abf13ceb1692b566a81c7a1bf3f9c1e1949729f0d53f9a64",
    "pubkey": "cccccc0a8338a4ab\u2026",
    "browse": "https://nostrapps.github.io/ntorrent/?q=assumeutxo"
  }
}