$0.00000428 USD (-3.92% in 24 hours)
Coldstar is an air-gapped, non-custodial self-custody system for the Solana blockchain.
As of 2026-10-30 23:14 UTC. The Crypto App market data.
Coldstar is an air-gapped, non-custodial self-custody system for the Solana blockchain. It allows a user to turn any standard USB drive into a cold wallet: a private key is encrypted at rest on the USB using AES-256-GCM with Argon2id key derivation, and is decrypted only in volatile memory (RAM) for the microseconds required to sign a transaction, after which it is wiped. The private key is never written to disk and…