Reading the chain and matching against the archive.
Ethereum History
%22%2F%3E%0A%20%20%20%20%20%20%3Cstop%20offset%3D%22100%25%22%20stop-color%3D%22hsl(290%2068%25%2034%25)%22%2F%3E%0A%20%20%20%20%3C%2FlinearGradient%3E%3C%2Fdefs%3E%0A%20%20%20%20%3Crect%20width%3D%22120%22%20height%3D%22120%22%20fill%3D%22url(%23g)%22%2F%3E%0A%20%20%20%20%3Ccircle%20cx%3D%2260%22%20cy%3D%2246%22%20r%3D%2221%22%20fill%3D%22rgba(255%2C255%2C255%2C0.32)%22%2F%3E%0A%20%20%20%20%3Cellipse%20cx%3D%2260%22%20cy%3D%22102%22%20rx%3D%2234%22%20ry%3D%2226%22%20fill%3D%22rgba(255%2C255%2C255%2C0.32)%22%2F%3E%0A%20%20%3C%2Fsvg%3E)
0x0ba2…b42b
0x0ba2…b42b
Curator
A collection with real depth in early Ethereum
Collector of 7 documented Ethereum artifacts, dating back to 2015
83Score
7Held
2015Oldest
5yOnchain
Sign in to update your card when your collection grows.
Unclaimed
Claim this card as yours
Your card is saved for now. Sign in to claim it, manage multiple wallets, and appear as a named collector on the leaderboard. Claiming also lets you verify this wallet by signature for the badge, and gives the 7 contracts below a collection page of their own.
Collectibles, oldest first
- 2015ayeAyeCoin
One of the earliest named tokens on Ethereum, and the first known to feature an animal identity and a public on-chain faucet.
FrontierERC-20held as wrapper - 2016HashTokenHTK
The first Ethereum token to implement an on-chain, increasing-difficulty hash-based minting mechanism.
HomesteadERC-20 - 2017AkivaCoin✌️
AkivaCoin (peace sign) - 2017 token on the simplified MyAdvancedToken pattern.
Spurious DragonERC-20 - 2017CryptoKittiesCK
The first NFT game to achieve mainstream adoption, introducing on-chain collectibles, breeding mechanics, and ERC-721 ownership at global scale.
ByzantiumERC-20 - 2018HumanityCardsHCX
ERC-721 collectible card game of historical figures. mineCard() costs 0.001 ETH and randomly assigns a figure via block.timestamp randomness.
ByzantiumERC-20held as wrapper - 2020BaseRegistrarImplementation
The .eth registrar that turns every name into an ERC-721 token, redeployed in January 2020 alongside the fixed registry.
ERC-721 - 2023PeperiumWrapper
One ERC1155 contract consolidating 32 Peperium meme cards, each of which was deployed as its own ERC20 through 2017.
ERC-721
Historic contract activity
participated in 13 historic contracts
Wallets, multi-sigs and DAOs this address took part in. Shown for the record, and deliberately not counted towards the score, which measures a collection.
Holdings read from the chain on 7 Sept 2026. Check again
Want to see yours?
Any wallet can be scored against the archive, on how early the contracts it holds were deployed. No account needed to look.
Check your collector score