proof of-work

consider
So, You Want to Use a Blockchain for That?
Is blockchain data 'true'? Blockchain consultant Antony Lewis breaks down these questions and more in a new opinion piece.
consider

Trust chain
Can Trust-Based Private Blockchains Be Trusted?
Researcher Bob Wolinsky looks at the challenges facing permissioned blockchains, arguing they are unable to provide immutable records.
Trust chain

hal finney
Bitcoin Pioneer and First Bitcoin Recipient Hal Finney Passes Away
Bitcoin pioneer Hal Finney passed away this week. In memory, CoinDesk looks back at his life and legacy.
hal finney

Runner
New Altcoin Promotes Fitness with 'Proof of Sweat'
Mangocoinz uses exercise as proof of work, but how to stop the cheaters?
Runner

proofworkfeat
5 Global Problems Bitcoin's Proof of Work Can Help Solve
Could there be better uses of cyrptocurrency proof of work rather than just solving arbitrary cryptographic problems?
proofworkfeat

Bitcoin Blockchain Security Khan Academy
Trust in Bitcoin builds by solving one 'puzzle' at a time
What makes Bitcoin transactions secure and trustworthy? Computer security and cryptography expert Zulfikar Ramzan explains in this video from Khan Academy.
Bitcoin Blockchain Security Khan Academy