Why, after 30 years of aid, were so many African countries no better off in the 1980s than they had been at independence? Why, indeed, were so many of them slipping back and earlier economic achievements being undermined?Concentrating on Sudan, the Poverty of Nations examined what had gone wrong...

Cryptography is about communication in the presence of an adversary. Cryptofinance is the efficient exchange of ownership, the verification of ownership, as well as the ability to algorithmically design conditional contracts, all with security, privacy, and minimal trust without using...