Now you are in the subtree of TECHNOLOGY and MARKETS public knowledge tree. 

Important companies, startups, ICOs

Yet another payment system

(https://utrust.io/) and whitepaper...... how to classify and distinguish between them

Rewriting financial infrastructure

Digital Asset Platform, and a useful general whitepaper mapping out the space attached

see attached "Blockchain is not a panacea" for discussion, see Blythe Masters: Should you invest in blockchain and why? and Blythe Masters Unveils Fix for Blockchain Privacy Concerns, financial conveyor

do you need a blockchain?

-see particular criteria for using this particular decentralised database (attached several papers) a) Blockchain is not a panacea - problems of ownership, identification, netting , and ... in particular, liquidity and transparency (for illiquid assets), calculating risk and PL b) limitations of smart contracts

-Avoiding the pointless blockchain project

-important point is how blockchain cannot make the world riskless (see point 2 in "Impossible cases for smart contracts")