{
  "slug": "buildspace-ens-on-polygon-cohort-intan",
  "type": "nft",
  "standard": "ERC721",
  "network": "polygon",
  "contract": "0x3CD266509D127d0Eac42f4474F57D0526804b44e",
  "tokenId": "21044",
  "collection": "buildspace: Build a domain service on Polygon | Cohort Intan | #9",
  "symbol": "BUILDSPACE",
  "holder": "0x42C137538bEe9d7eca612b41A807b5FB7B863C20",
  "externalUrl": "https://buildspace.so",
  "significance": "On-chain completion proof of buildspace \"Build a domain service on Polygon\" course (Cohort Intan, student #9 — early cohort). Building an ENS-like naming system from scratch on Polygon. Matches the buildspace certification dated 2022-07.",
  "verifiedVia": "Alchemy NFT API on Polygon mainnet",
  "verifiedAt": "2026-04-29"
}