jae kwon (@jaekwon) — Twitter Score 95 out of 1000

Jae Kwon is a blockchain developer who co-founded Cosmos and Tendermint, two foundational projects in the proof-of-stake and interoperability space. Jae Kwon's Twitter Score is 95 out of 1000 (a Good rating) as of October 2026, ranking #7,883 (top 5%) among 493,668 tracked accounts.

Jae Kwon co-authored the Cosmos whitepaper alongside Ethan Buchman, laying out a vision for a network of independent distributed ledgers connected through the Inter-Blockchain Communication protocol. The project was initiated in 2014, with the Interchain Foundation conducting a token sale in April 2017 and the Cosmos Hub mainnet going live on 13 March 2019. Cosmos uses a staking token called ATOM, which validators and delegators use to participate in consensus on the Cosmos Hub.

Jae Kwon also co-founded Tendermint, whose core product, Tendermint Core, is Byzantine Fault Tolerant middleware adopted widely across blockchains in the Cosmos ecosystem. He co-authored the academic paper "The latest gossip on BFT consensus," which formally presents the Tendermint protocol. The company behind Tendermint, formerly known as All in Bits Inc., was previously affiliated with Jae Kwon and rebranded to Ignite in February 2022; Tendermint Core itself was subsequently forked and renamed CometBFT in February 2023.

Jae Kwon is currently affiliated with New Tendermint, LLC and the Gno project, which centers on an interpreted, deterministic Go implementation designed for smart contracts. The gno.land blockchain is the first to use this implementation. Jae Kwon has 26,335 followers as of October 2026 and has published 9,250 posts on the platform.

Jae Kwon's portfolio includes Saga AI Labs.

Who follows Jae Kwon on X?

The accounts that follow Jae Kwon include 394 founders, 120 angel investors, 140 influencers and 9 VCs. Among them are Andrew Kang, Luca Netz, Murad, Loomdart, Tarun Chitra and Tyler Winklevoss. Jae Kwon has been mentioned by 242 accounts, with 742 total mentions.