JWett

3 ms·

1. 1.▲
   by JWett 8y ago

   Surety is not a trusted central authority. There is no mathematically feasible way to backdate a document and weave it into the chain. The only way to circumvent the system would be to generate the same submitted hash value (using two diffe
2. 2.▲
   by JWett 8y ago

   "Hash and Sign" timestamping is flawed in that it relies on the trust of a central authority. An insider with access to the private key could easily backdate a timestamp and sign any document/timestamp combination. Surety&#x2
3. 3.▲
   by JWett 8y ago

   I believe the company is only active in that it still operates its service for existing customers. The website is very old, but you're right, it's admittedly ironic that a computer security company has an HTTP website.
4. 4.▲
   by JWett 8y ago

   Hi, ex-CEO of Surety here. The article is not very technical so I can see where you might assume this is not a true blockchain. However, the hash value published in the Times was, in fact, dependent upon every single hash value for every di