Fireblocks, which employs a clever key sharding technology called multi-party computation, encourages customers to independently back up their keys and combine that with third party disaster recovery services from Coincover, one of the first crypto firms to work with Lloyd's of London. Bringing belt and braces assurances to any area of crypto risk at the moment is going to play well with institutional investors, many of whom have scattered amid the fallout from failed crypto exchange FTX and others.