Bitcoin less green since China ban, research suggests
Mining new bitcoins now uses less renewable energy and creates more pollution.
Filter out ‘unverified’ accounts, tech giants told
Social networks should let people hide anonymous accounts, the government has proposed.
NHS Scotland’s Covid Status app criticised over privacy failings
The UK’s data watchdog reprimands the Scottish government and NHS National Services Scotland.
How Taiwan used simple tech to help contain Covid-19
The low-tech approach that helped Taiwan efficiently fight off coronavirus.
Ukraine crisis: ‘Wiper’ discovered in latest cyber-attacks
Many government and company websites go down in the largest cyber-attack since the crisis began.
Virgin Hyperloop to focus on cargo, not people
The futuristic transport firm is changing direction and laying off staff, blaming the pandemic.