Re-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…Aug 10, 2016Aug 10, 2016
What’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…Jun 14, 2016A response icon13Jun 14, 2016A response icon13
Blockchain 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…May 17, 2016A response icon2May 17, 2016A response icon2
Is 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…May 11, 2016A response icon2May 11, 2016A response icon2
Three Challenges for Scaling BitcoinThe most savage controversies are those about matters as to which there is no good evidence either way. - Bertrand RussellApr 26, 2016A response icon1Apr 26, 2016A response icon1
Go Fork Yourself (to More Bitcoin Transactions)What is Bitcoin? There are two good, possible answers:Apr 19, 2016A response icon1Apr 19, 2016A response icon1
Bring 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…Apr 6, 2016A response icon1Apr 6, 2016A response icon1
