Byzantium Era

March 21, 2018 — genesis EtherMinerals NFT deploy by anonymous developer 'Elias', funded via ShapeShift, scaffolded from a Coursetro.com Solidity tutorial. 17 n

On-chain obituary for Mark H. Kane (1950 to 2015) of Richmond, deployed by his family in March 2018. 5 getters expose title, name, dates, body, poem.

The first Pokémon NFT collection on Ethereum (March 2018). 25 total Gen-1 Pokémon.

avsa's personal test of the ERC777 standard he co-authored — stripped-down ReferenceToken deployed from his wallet on Apr 5, 2018.

April 2018 'Lambo' ERC-20 with permissionless mint() — one free token per address. mintMore() gives 3 more LAMBO for a 1 finney payment.

April 2018 'Lambo' ERC-20 with permissionless mint() — one free token per address. mintMore() gives 10 LAMBO for 1 wei (effectively free).

First mineable Litecoin on Ethereum, EIP-918 clone deployed April 2018

Second 0xDogecoin clone, deployed 2018-04-14 by the same address as 0xLTC. First working mineable Dogecoin on Ethereum, virgin until 2026.

Bilingual on-chain love letter from Li Jie to Cai Shichao (lex to Sally), April 2018. Chinese pledge etched to the chain plus English summary.

LIVERPOOL (LIV): 2018 fan token for Liverpool FC (English Premier League). EthTeamContract send-ETH-to-mint ERC-20, 3 decimals. Sell back by transfer to self.

First mineable Bitcoin Cash on Ethereum, EIP-918 clone deployed June 2018

ERC223-compatible deposit wallet. Accepts token transfers via tokenFallback and sweeps held ERC20 tokens to a configured owner address.

TFWC-01-RUSSIA (RUS): 2018 fan token for Russia, an EthTeamContract send-ETH-to-fallback ERC-20 with 3 decimals. Sell back by transfer to self.

TFWC-04-MOROCCO (MAR): 2018 fan token for Morocco, an EthTeamContract send-ETH-to-fallback ERC-20 with 3 decimals. Sell back by transfer to self.

TFWC-05-FRANCE (FRA): 2018 fan token for France, an EthTeamContract send-ETH-to-fallback ERC-20 with 3 decimals. Sell back by transfer to self.

TFWC-08-CROATIA (HRV): 2018 fan token for Croatia, an EthTeamContract send-ETH-to-fallback ERC-20 with 3 decimals. Sell back by transfer to self.

Belgium (BE): unverified 2018 fan-token, same on-chain interface as the TFWC EthTeamContract series (price, status, buy via fallback) but a 10kB contract.

TFWC-25-BRAZIL (BRA): 2018 fan token for Brazil, an EthTeamContract send-ETH-to-fallback ERC-20 with 3 decimals. Sell back by transfer to self.

June 2018 NFT exoplanet collectible game with 9-tier hot-potato pricing, presale mode, and per-planet life rate / crypto match / tech bonuses. Extends the Crypt

Token distributor with a dedicated spender role. Allows approved spenders to transfer ERC20 tokens held by the contract to designated recipients.

On-chain Korean blockchain class recap by Pablock organizer, July 2018. Date, Seoul venue, full attendee roster, airdrop record.

Merged-mining EIP-918 token requiring valid 0xBitcoin hashes to mint

Token vesting lockup contract. Holds ERC20 tokens for a beneficiary until end_time, then allows release() to transfer them. lockOver() checks completion.

ENS subdomain registrar from October 2018 with one of the earliest in-the-wild multicall(bytes[]) batchers via delegatecall in Ethereum history.