1. 2014-05-31 [2] Re: heads up: bitcoin glitches tarsnap-u Colin Perciva 2. 2014-05-07 [4] de-duplication detail tarsnap-u Arthur Chance 3. 2014-05-07 [4] splitting key across machines tarsnap-u Arnt Gulbrand 4. 2014-05-07 [3] what is the purpose of a checkpoint? tarsnap-u Colin Perciva