Schnorr signatures, a code change likely to be one of the biggest coming upgrades to bitcoin, have now gone from a theoretical idea to real code courtesy of technology startup Blockstream. Announced…

Michael J. Casey is the chairman of CoinDesk’s advisory board and a senior advisor for blockchain research at MIT’s Digital Currency Initiative. The following article originally appeared in CoinDesk Weekly, a custom-curated newsletter…

Bullish bets on bitcoin, the world’s largest cryptocurrency by value, reached 11-month highs on Monday, according to the data from the cryptocurrency exchange Bitfinex. The number of long positions on bitcoin’s US…