Spacemesh's "proof-of-space-time" (PoST) consensus protocol hopes to do away with mining pools and expensive GPU or ASIC-based miners.
Though it's garnered little attention, "non-interactive proofs of proofs of work" may clear a roadblock for sidechains, a potential "altcoin killer."
A plan to hard fork the bitcoin blockchain, and change its mining algorithm, is emerging. Still in its early stages, what does the new coin offer?
Bitcoin's 'proof of work' validation mechanism burns a huge amount of energy, but this novel solution from developer Bram Cohen aims to change that.
Bitcoin's consensus mechanism is great, but it isn't perfect. This article looks at some of the more viable public blockchain alternatives.
The system that secures bitcoin, proof of work, demands vast amounts of energy – and that's a prize problem to solve, say researchers.
A look at Intel's project inspired by bitcoin's proof-of-work.
A small tweak to bitcoin could have a big impact.
Is blockchain data 'true'? Blockchain consultant Antony Lewis breaks down these questions and more in a new opinion piece.
Researcher Bob Wolinsky looks at the challenges facing permissioned blockchains, arguing they are unable to provide immutable records.
Bitcoin pioneer Hal Finney passed away this week. In memory, CoinDesk looks back at his life and legacy.
Mangocoinz uses exercise as proof of work, but how to stop the cheaters?
Could there be better uses of cyrptocurrency proof of work rather than just solving arbitrary cryptographic problems?
What makes Bitcoin transactions secure and trustworthy? Computer security and cryptography expert Zulfikar Ramzan explains in this video from Khan Academy.