Last week in blockchain of week 9 of 2019, with the latest news about blockchain. This week with the following items:

Clinical trials

https://siliconangle.com/2019/02/22/researchers-build-blockchain-proof-concept-ensure-clinical-trial-data-integrity/

Seraph ID

https://neonewstoday.com/general/swisscom-blockchain-presents-self-sovereign-identity-solution-seraph-id/

Malta & Learning Machine

https://www.newswire.com/news/government-of-malta-launches-learning-machines-blockchain-records-19978449

Referrals

White Papers

https://thenextweb.com/hardfork/2019/02/21/a-brief-history-of-cryptocurrency-and-blockchain-white-papers/

Hedera Hashgraph

https://venturebeat.com/2019/02/20/hedera-hashgraph-names-deutsche-telekom-and-others-to-its-blockchain-alternative-governing-council/

TIoTA Challenge

https://www.prnewswire.com/news-releases/trusted-iot-alliance-presents-global-smart-construction-challenge-300798859.html