Current mainnets:
Solana - Bocachica Approved, Foundation Delegated, Liquid Staking Delegated
Velas - Foundation Delegated
Everscale - Magister Ludi, Depool contest and RustCup winner
Omniflix - Genesis Mainnet Validator
Persistence AssetMantle - Genesis Mainnet and Community Validator
Nym Gateway+Requester service - NYM team selected grantee
Tgrade - Genesis Mainnet Validator
Rebus - Genesis Mainnet Validator
Nois - Genesis Mainnet Validator
Aura - Genesis Mainnet Validator
Uptick - Genesis Mainnet Validator
Gitopia - Genesis Mainnet Validator
Empower - Genesis Mainnet Validator
Humans AI - Genesis Mainnet Validator
Passage - Genesis Mainnet Validator
Actual testnets:
Chainflip
Namada - genesis testnet validator
Lava
Ojo - genesis testnet validator
Cascadia
Cardchain
Servers and architecture, technology stack:
mostly AMD Ryzen 9 5950x, 128RAM, 7Tb NVME, 1Gbit+ network. Sentry nodes where necessary, apparmor/firewalls, ssh keys access, prometheus+node_exporter+grafana+telegram alerting.
Baremetal servers located in EU(NL,DE,FI,RU) and US.
Inactive mainnet validators:
Forta - mainnet scanner, foundation delegated
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
50+ finished or developing test-nets:
Andromeda
Sui
Neutron - genesis testnet validator
Nolus
Gitopia - testnet selected validator
Uptick - genesis testnet validator
Mande - testnet selected validator
Okp4
Nois testnet selected validator and drand bot
Ollo
Source protocol
Haqq
Bundlr
Empowerchain
Cardchain
Defund
Aptos - AIT2 selected and rewarded validator, AIT3 selected validator
BlockPi - testnet selected operator
Mundis - testnet selected validator
Obol - testnet selected validator team
Quicksilver - testnet rewarded validator
Sei - Seinami testnet selected validator
Stride - testnet selected validator
Rebus - testnet selected validator
Aura - testnet selected validator
Deweb - testnet participant
Starknet - rust node testnet participant
Aleph zero - testnet participant
Gear - testnet participant
Near - testnet participant
Gnoland - testnet participant
Espresso Systems - testnet participant
Penumbra - testnet participant
Celestia - testnet participant
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
Archway
Another1
Craft
...
Validators.network - School mentor
Everscale - Devops and NFT Subgovs Initial Member and Jury
Moonbeam - Ambassador
Umee - Translation
Akash - guides, essays
Klever - guides, monitoring
DVS multisig web ui signer
Tgrade network - private RPC provider
Some of NFT badges:
Humanode
Gitcoin donor hero
Dataverse gitcoin donator
BanklessRU GR9 contributor
Arbitrum odyssey
Forta scanners
Goldfinch
Covalent Apprentice Alchemist
Guild of Guardians Founder Member
Mstable Discord OG
Reach out: