Crypto founders playing pool.
From left to right: Charlie Lee (Litecoin), Vitalik Buterin (Ethereum), Zooko Wilcox (ZCash), Jed McCaleb (Ripple, Stellar), Charles Hoskinson (Cardano), Dan Larimer (EOS, Bitshares, Steemit), David Sonstebo (IOTA), Riccardo Spagni (Monero)

https://cryptopop.net/2018/08/06/alt-pool/