eth2 medalla testnet
a final testnet before ethereum 2 beacon chain launch is now accepting deposits and will launch on august 4th.
it uses v0.12.2 of the specification and it's already supported by 5 clients: lighthouse, lodestar, nimbus, prysm and teku. this is a first testnet to use "official" user-friendly onboarding process.
the name seems to be a nod to olympic testnet which lead to ethereum launch in 2015.
https://github.com/goerli/medalla/tree/master/medalla