Time to Understand Blockchain

What is blockchain? A blockchain is a digital scaffolding for transactions.  We've heard a lot about it recently in relation to Bitcoin. Blockchain was developed about 10 years ago to scaffold cryptocurrency transactions.  Investopedia explains blockchain (referring to cryptocurrencies) as 'a digitized, decentralized, public ledger of all cryptocurrency transactions. Constantly growing as "completed" blocks (the most recent transactions) are recorded and added to it in chronological order, it allows market participants to keep track of digital currency transactions without central recordkeeping. Each node (a computer connected to the network) gets ...

Teaching Russia, killing 3 Birds with One Stone and Auld Lang Syne

My last post for the student blog that I finished yesterday, in honor of the centennial of the murder of Rasputin led me to re-examine how to include the Russian Revolutions in the curriculum.  When the World History Topics were 20th century World History Topics, and before Route 1 and Route 2 were ever conceived of, certain topics were taught by most IB History teachers, most notably World War I and the Russian Revolutions.  This was further reinforced by the ...

Privacy

I’ve been trying to write this post about privacy, digital privacy, “privacy as a human right”, the "right to be forgotten", and social networking,  for awhile now. But it seems every time I sit down to put words on “paper”, a new facet of the discussion is brought to my attention by a blog post, video, news story... First, we should consider the concept of privacy. Privacy can be described as a state in which one is not observed or disturbed by other ...