Technology Quarterly: Cryptocurrencies and Blockchains

Chasing the rainbow

A cryptic message

Cryptocurrencies and their underlying technology, blockchains, have been hyped to the skies. Tim Cross offers a realist's guide

Most drones today are either cheap toys or expensive weapons.  But interesting commercial uses are emerging in the middle, says Tom Standage

Also in this TQ:

• Bitcoin: Riding the rollercoaster
• Brain Scan: Satoshi Nakamoto
• Altcoin: Chips off the block
• Mining Cryptocurrencies: A voracious appetite
• Initial Coin Offerings: Token Effort
• Blockchains: Nailing it
• Prospects: Beyond the hype

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