Bartosz is a co-founder and CEO of Cube Exchange, a non-custodial crypto exchange built for self-custody trading. Bartosz's Twitter Score is 237 out of 1000 (an Excellent rating) as of September 2026, ranking #1,702 (top 0.5%) among 485,821 tracked accounts.
Bartosz co-founded Cube Exchange and also co-founded B+J Studios. Before founding Cube Exchange, he previously worked at Citadel, JP Morgan, and BNP Paribas, giving him a background spanning traditional finance and institutional trading. He is affiliated with the Solana Foundation and the broader Solana ecosystem.
Bartosz co-founded Cube Exchange in 2023. The platform has raised $22M and operates in 4 countries. Cube Exchange supports trading of more than 1,420 tokens from a single non-custodial account, with a matching engine running at 200 microseconds. The exchange uses MPC custody, individual non-custodial vaults, and Guardian nodes to ensure users retain control of their own keys. Its litepaper describes CubeNet as a meta-L2 blockchain designed to publish matched trades before settlement.
Bartosz has 23,615 followers as of September 2026 and has published 10,017 posts. He has been mentioned by 170 accounts, with 450 total mentions. Bartosz has backed Coinflow, OpenDelta, Carrot, Fragmetric, Uranium Digital and boop.fun.
Who follows Bartosz on X?
The accounts that follow Bartosz include 691 founders, 198 angel investors, 368 influencers and 12 VCs. Among them are Solana, Toly, ZachXBT, Ansem, Cobie and Laura Shin.