Genesis state. Ergo started with these three boxes. No transaction created them: the protocol put them in place at mainnet launch, before block 1, so there are no inputs, fee or block here.
Emission contract: every ERG that miners will ever earn, paid out block by block.
No-premine proof: 1 ERG behind a script nobody can satisfy, so only storage rent can take it. Its registers hold that day's Bitcoin and Ethereum block hashes and headlines from The Guardian, Xinhua and RBC, proving that nobody mined before launch.
Foundation treasury: the Ergo Foundation's share, unlocked gradually over Ergo's first years.