SHAREIn this episode, we sit down with Ethan (Bucky) Buchman, co-founder & CTO of Tendermint, to talk about testnets. We look into what they are, what purpose they serve and cover examples from Bitcoin, Ethereum, Cosmos and Polkadot. Links Testnets on Karl.tech The latest gossip on BFT consensus Bitcoin Testnet Ropsten Testnet Kovan Testnet Rinkeby Testnet Join the Cosmos testnet Join the Polkadot testnet RECENT EPISODES The Quantum Question Panel – Live from zkSummit1427.05.2026 From Access Control to Encrypted Execution with Auryn Macmillan20.05.2026 Quantum Advances, Hybrid Signatures and SNARKs to the Rescue with...06.05.2026 check our ZK JOB boards