Company Pitches
summary
Paris startup Stratum demonstrates concrete builds: a bank-issued Pinocchio SNARK keypair and quarterly published hash commitments let a user prove “has at least X balance” repeatedly without revealing statements or reissuing bank letters; an age proof uses an iterative hash-chain (publish secret, hash N times) to prove age ranges cheaply; a boardroom voting prototype proves a minimum quorum and correct delegation without disclosing votes; all prototypes have working code, a UI and open source code and claim reasonable performance.
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