Blockchain, bitcoin, ethereum "river news" style aggregator

Pontifications

• Not sure I agree with Tim Bray who doesn't believe in blockchain
• But I am still searching for a frequently updated "tl;dr" on blockchain, bitcoin, etherium etc, anybody got such a thing? I'll pay :-) !
• In the meantime here's a Blockchain, bitcoin, ethereum,etc river of news style aggregator curated by William Mougayar: oncoins.org