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There’s No Good Reason To Trust Blockchain Technology https://www.wired.com/story/theres-no-good-reason-to-trust-blockchain-technology/
It now costs more to make bitcoin than the cryptocurrency is worth https://www.newscientist.com/article/mg24132162-900-it-now-costs-more-to-make-bitcoin-than-the-cryptocurrency-is-worth/
Someone Uploaded Child Pornography to a Blockchain Ledger, and It’s Almost Impossible to Delete https://gizmodo.com/someone-uploaded-child-pornography-to-a-blockchain-ledg-1832398480
Amid a wave of injuries, Irish exchange student is latest person killed in e-scooter accident https://www.washingtonpost.com/technology/2019/02/05/amid-wave-severe-injuries-irish-exchange-student-becomes-latest-person-killed-electric-scooter-accident/?utm_term=.03a2fb070320
Bounty hunters tracked people secretly using US phone giants’ location data https://www.technologyreview.com/the-download/612907/bounty-hunters-tracked-people-secretly-using-us-phone-giants-location-data/
Undeniable warming: The planet’s hottest five years on record in five images https://www.washingtonpost.com/weather/2019/02/06/undeniable-warming-planets-hottest-five-years-record-five-images/
Big Telecom Sold Highly Sensitive Customer GPS Data Typically Used for 911 Calls https://motherboard.vice.com/en_us/article/a3b3dg/big-telecom-sold-customer-gps-data-911-calls
Facebook will reveal who uploaded your contact info for ad targeting https://techcrunch.com/2019/02/06/why-am-i-seeing-this-ad/
Seguradoras de NY podem usar rede social para avaliar clientes http://www.sindsegsp.org.br/site/noticia-texto.aspx?id=31137
Making New Drugs With a Dose of Artificial Intelligence https://www.nytimes.com/2019/02/05/technology/artificial-intelligence-drug-research-deepmind.html
Rene,
Com relação ao valor do bitcoin, há um ajuste de dificuldade (automático) na mineração, que faz com que o sistema seja autossustentável. Veja a explicação neste vídeo:
https://youtu.be/h7OIq6PVHLU
muito obrigado, eu nao sabia!