Ref: en.bitcoin.it/wiki/Block_chain A block chain is a transaction database shared by all nodes participating in a system based on the Bitcoin protocol. A full copy of a currency’s block chain contains every transaction ever executed in the currency. With this information, one can find out how much value belonged to each address at any point in history.
Derived from a quick reading of Steve Krug’s Don’t Make Me Think, these are the ideas that stuck out to me: If something requires a large investment of time – or looks like it will – it’s less likely to be used Just having the navigation appear in the same place on every page with… Continue reading 8 Website Usability Tips
Nope. See, for example: http://www.allaboutbirds.org/guide/Acadian_Flycatcher/lifehistory This falsehood was started by the Trivial Pursuit game I believe, and seems to have entered popular culture (e.g. “Assembling the Wreckage” by Kevin Fisher p. 109). For me, this is another example of the importance of critical thinking and always challenging the dominant paradigm.