Indonesian developer Fajrin Firmanah's journey from hackathon losses to building Cypress, a privacy-focused wallet for Stellar using zero-knowledge proofs on Soroban. Builder spotlight featuring community mentorship and ecosystem growth in Indonesia.
Indonesian developer Fajrin Firmanah went from entering blockchain for fun to winning hackathons, becoming a Stellar Ambassador, and now building Cypress—a privacy-focused non-custody wallet using zero-knowledge proofs on Soroban. The interview covers his journey learning Web3 through video editing for a friend, the mentorship from Kenny and the Rise In community, and how Stellar's protocol upgrades (Protocol 25/x-ray) enabled new privacy tooling. Cypress lets users send private payments on Stellar while maintaining low fees and speed. Fajrin's story illustrates how community support and iterative building drive ecosystem growth, particularly in emerging markets like Indonesia.