Key management is the set of practices and systems for creating, storing, using, rotating and retiring cryptographic keys. It keeps encrypted data and digital signatures trustworthy.
Public key infrastructure (PKI) is the system of certificate authorities, certificates and policies that binds public keys to identities. It lets parties trust encrypted connections and digital signatures.
Secrets management is how a team stores, distributes, rotates and audits sensitive values such as API keys, passwords and certificates. The aim is that no secret ever sits in code or plain configuration.
Encryption at rest and in transit means protecting data with encryption both while it is stored and while it moves across networks. Stolen or intercepted data then stays unreadable without the keys.
An MPC wallet is a crypto wallet whose private key is never held in one place. Several parties each keep a key share and sign together, so no single device, person or server can move funds alone.
A multisig is a crypto wallet that needs approval from several keys before a transaction can go through, such as any three of five signers. It removes the single point of failure of one private key.
Post-quantum cryptography is the family of encryption and signature algorithms designed to resist attacks by future quantum computers. The algorithms run on today's ordinary hardware.
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