An ultra-secure vault
Best custody protocol
Two cold storage levels, three multi-signature authorization stages, time-locked withdrawals, and five independent companies involved.
Expert team
Highly specialised and qualified professionals.
Verified identity
Multi-channel communications and video verification to ensure that only you can withdraw your Bitcoin.
Easy deposits & withdrawals
Your account manager is always available to help you oversee your custody account.
A crystal-clear vault
Safe and transparent custody
CheckSig rejects security-by-obscurity, adopting a public custody protocol: two cold storage levels, three multi-sig authorization stages, time-locked withdrawals, and five independent companies involved.
Monthly Proof-of-Reserves
CheckSig is the only custodian to provide monthly blockchain Proof-of-Reserves. Since October 2020, unmatched transparency has been verifying that all funds are safely under control.
SOC attestations
CheckSig has received SOC1 / SOC2 Type 2 attestations from Deloitte; this proves our commitment to the highest operational standards.
Regulatory compliance
Fully committed to be compliant with the evolving regulatory framework, CheckSig KYC / AML / CTF practices are well-recognized.
Insurance coverage
CheckSig is insured by SATEC, the specialty underwriter of Cattolica Assicurazioni (Generali Group).

A full range of services
Custody accounts are just one of the services offered by CheckSig to private investors. See also:
Buying and selling
Buying and selling large amounts of Bitcoin or crypto is complex. CheckSig executes your orders in a safe, efficient, and transparent way.
Crypto tax report
When it comes to Bitcoin and crypto, it is not easy to comply with tax authorities. CheckSig provides the right tools to keep you flawless.
Training
In the crypto world, qualified experts are few and far between. With CheckSig you access training, reporting, and updates from proven specialists.