Market corrections. Art. Attacks. It’s been a busy past week!

Cryptocurrency markets turn red

https://www.coindesk.com/bitcoin-price-tumbles-10-as-crypto-markets-flash-red

New York City opens blockchain center

https://www.paymentssource.com/articles/nyc-opens-blockchain-center-staying-course-after-bitcoin-sinks?feed=00000157-2a60-dceb-aff7-bf6220c50000

Dealing art on the blockchain

https://www.wired.co.uk/article/blockchain-art-dealer

Ethereum update information to know

https://smartereum.com/46495/ethereum-eth-maps-route-to-the-constantinople-update-and-beyond-that/

 Winklevoss twins talk bullish bitcoin on AMA

https://www.reddit.com/r/IAmA/comments/adk0ua/we_are_cameron_and_tyler_winklevoss_cofounders_of/

Russian government will buy billions of $ worth of bitcoin soon

https://ethereumworldnews.com/russia-buy-billions-usd-btc/

51% attack problem, via Charlie Lee

https://cryptonewsreview.com/litecoin-founder-on-the-51-attack-problem/

The potential repercussions from the Ethereum Classic hack

https://www.theverge.com/2019/1/9/18174407/ethereum-classic-hack-51-percent-attack-double-spend-crypto