CoinSign handles multi-level transaction approval: RSA and HMAC-SHA256 signatures, reviewer tier controls, and cross-platform sign-off on mobile, PC, and browser. Built for businesses that can't afford a tampered approval trail.
Approve transactions on mobile, PC, or browser extension. Reviewers aren't tied to a single device or location.
Embed CoinSign's approval and signature layer directly into your platform via API. No separate frontend required.
Every approval is protected by RSA asymmetric signatures and HMAC-SHA256. Bank-grade cryptographic standards at every step.
Configure approval tiers and transaction thresholds per reviewer. High-value payouts escalate automatically.
View our technical documentation.
Every approval generates an unforgeable digital signature. Audit-ready by default, protected against internal and external manipulation.
Mobile, PC, or browser extension. No dedicated hardware token required.
RSA asymmetric signatures and HMAC-SHA256 protect every approval — the same cryptographic standards used in financial services infrastructure.
Every sign-off is recorded and verifiable. Your approval history is complete and unalterable.
CoinSign powers the custom approval workflows inside CoinSend. Reviewer tiers, thresholds, and escalation logic configured once.
CoinsDo never holds your private keys. Your signing credentials stay yours, regardless of your contract status.
CoinsDo's flexible solutions make it easy for corporations to integrate into their specific business scenarios, catering seamlessly to various industries.
CoinSign
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