Glossary
ISCA (Integrity, Security, Conservation, Archiving)
Technical criteria for self-certified fiscal compliance
ISCA is the acronym of the 4 technical pillars of fiscal compliance required by French tax authorities (DGFiP): Integrity (immutable SHA-256 hash chain), Security (data signing), Conservation (10-year legal duration), Archiving (long-term legal value). Scell.io implements all 4 via internal self-certification with public attestation.