Bob McElrathRe-Imagining Cold Storage with TimelocksCold storage is a technique to keep keys offline and inaccessible to attackers. It is used by most major Bitcoin exchanges, occasionally…10 min read·Aug 10, 2016----
Bob McElrathWhat’s Wrong with Proof of Stake?Using computers to manage assets is not new. Indeed that’s a major reason computers were invented. What, then, makes Bitcoin and…9 min read·Jun 14, 2016--13--13
Bob McElrathBlockchain Proof of LocationAn event (defined by the hash H) can be constrained to exist within a time window A < t < B by hashing H with the most recent block hash A…6 min read·May 17, 2016--2--2
Bob McElrathIs Bitcoin’s Proof of Work Useless Work?Charlie Brummitt asked me an interesting question the other day: “can bitcoin mining be changed so that the computations could…5 min read·May 11, 2016--2--2
Bob McElrathThree Challenges for Scaling BitcoinThe most savage controversies are those about matters as to which there is no good evidence either way. - Bertrand Russell7 min read·Apr 26, 2016--1--1
Bob McElrathGo Fork Yourself (to More Bitcoin Transactions)What is Bitcoin? There are two good, possible answers:9 min read·Apr 19, 2016--1--1
Bob McElrathBring Science to BitcoinBitcoin and crypto-currency is a nascent field. There are a lot of new, un-vetted ideas floating about. This field really got kicked off by…3 min read·Apr 6, 2016--1--1
