Bitcoin
$62,279.99+0.45%
Ethereum
$2,995.88-1.21%
Binance Coin
$544.23-2.06%
Solana
$138.22+1.30%
XRP
$0.48832786-1.83%
Toncoin
$6.94+13.68%
Dogecoin
$0.14825172-0.98%
Cardano
$0.44522421-1.62%
Shiba Inu
$0.00002203-1.34%
Avalanche
$33.97-1.77%
Wrapped Bitcoin
$61,417.64+1.29%
Tron
$0.10776265-2.22%
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Proof-of-Work

bitcoin-mining
Markets
Proof-of-work
Rethinking Proof of Work: The Quest to 'Improve' Bitcoin Heats Up
The system that secures bitcoin, proof of work, demands vast amounts of energy – and that's a prize problem to solve, say researchers.
bitcoin-mining
By Alyssa Hertig
Jan 29, 2017 at 1:00 p.m. UTC
Jan 29, 2017
Proof-of-WorkBitcoin ProtocolTechnologyProof-of-StakeFeaturesTechnology News
consider
Markets
Security
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
By Antony Lewis
Jul 22, 2016 at 2:57 p.m. UTC
Jul 22, 2016
SecurityProof-of-WorkFeatures
Trust chain
Markets
Proof-of-work
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
By Robert Wolinsky
Mar 5, 2016 at 8:21 p.m. UTC
Mar 5, 2016
Proof-of-WorkBlockchain TechnologyDistributed LedgersFeatures
hal finney
Markets
Satoshi nakamoto
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
By Jon Southurst
Aug 29, 2014 at 2:27 a.m. UTC
Aug 29, 2014
Satoshi NakamotoProof-of-WorkHal FinneyNewsFeatures
Runner
Markets
Proof-of-work
New Altcoin Promotes Fitness with 'Proof of Sweat'
Mangocoinz uses exercise as proof of work, but how to stop the cheaters?
Runner
By Danny Bradbury
Aug 15, 2014 at 11:39 a.m. UTC
Aug 15, 2014
Proof-of-WorkTechnologyMangocoinzLifestyleAltcoinsFeaturesother-public-protocolsTechnology News
proofworkfeat
Markets
Proof-of-work
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
By Daniel Cawrey
Jul 3, 2014 at 7:00 p.m. UTC
Jul 3, 2014
Proof-of-WorkBitcoin ProtocolMiningTechnologyBitcoinAltcoinsFeaturesother-public-protocolsTechnology News
Bitcoin Blockchain Security Khan Academy
Markets
Proof-of-work
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
By Shirley Siluk
May 31, 2013 at 2:03 a.m. UTC
May 31, 2013
Proof-of-WorkMiningBitcoinNews