Current mainnets:
Solana - Bocachica Approved, Foundation Delegated, Liquid Staking Delegated
Velas - Foundation Delegated
Everscale (exFreeTON) - Magister Ludi, Depool contest and RustCup winner
Omniflix - Approved Mainnet Validator
Persistence AssetMantle - Approved Mainnet and Community Validator
Galaxy - Approved Mainnet Validator
Nym Mixnode+Gateway - Rewarded testnet validator
Soon:
Tgrade - Approved Mainnet Validator
Passage - Approved Mainnet Validator
Hopr - Diamond Hodler
Inactive mainnet validators due to stake discrimination:
Mina - Genesis Founding Member, QA task force - redelegating ATM due to stake overconcentration in network
Sifchain - Self-funded and community validator
Syntropy.network - Amber Chain self-funded validator
Umee - Self-funded validator, genesis participant
Crescent - Self-funded validator
48+ finished or developing test-nets:
Umee Umeevengers 7th place[leaderboard] Medium [blogpost] [gentx1] [gentx2]
Akash - Awesome Akash winner - [pull request]
Sentinel
Iris
Regen
Frontier - [gentx]
Desmos [gentx]
Crust
Bitcountry
Galital
Joystream
Polymesh/Polymath
Acala
Moonbeam
HydraDX
Clover
Syntropy
Nym
Aleo
Ironfish
Althea
Meson
Spacemesh
Concordium - [pull requests]
Rizon
Stratos - [gentx]
Vega
Porta
Minima
Kichain - [gentx]
Evmos - [gentx]
Taraxa
Humanode
Realis
Omniflix - [gentx]
Persistense AssetMantle
Minima
Cosmic Horizon
Klever
Kyve
Uptick
Subspace
Aptos
Gear
Archway
Gitopia
Another1
Craft
...
Everscale - Devops and NFT Subgovs Initial Member and Jury
Moonbeam - Ambassador
Umee - Translation
Akash - guides, essays
Klever - guides, monitoring
DVS multisig web ui signer - link
Reach out: