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Proof-of-Work
Promise: A Startup Based on an Anonymous Paper Plans to Replace ACH
With $47 trillion flowing through it every year, ACH is a juicy target for blockchain disruption. Can a new startup called Promise pull it off?
When Blockchains Go Down: Why Crypto Outages Are on the Rise
It used to be that downtime was unheard of on blockchain networks. As new protocols and new trade-offs emerge, that’s no longer the case.
Grin Is Hard Forking Every Six Months to Keep ASICs Off the Network
Amid crypto's war on ASICs, the Grin community is taking a new approach – shut them out for a limited time with consistent hard forks.
PoWx: The New Effort to Change Bitcoin Mining Explained
Technologists unveiled a foundation dedicated to rewriting bitcoin's underlying tech, giving the long-controversial idea new wings.
Startup Raises $3 Million to Build 'Proof-of-Space-Time' Blockchains
Spacemesh's "proof-of-space-time" (PoST) consensus protocol hopes to do away with mining pools and expensive GPU or ASIC-based miners.
The Sidechains Breakthrough Almost Everyone in Bitcoin Missed
Though it's garnered little attention, "non-interactive proofs of proofs of work" may clear a roadblock for sidechains, a potential "altcoin killer."
First Cash, Now Gold? Another Bitcoin Hard Fork Is on the Way
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?
Space & Time: How BitTorrent's Creator is Attacking Bitcoin Waste
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.
A (Short) Guide to Blockchain Consensus Protocols
Bitcoin's consensus mechanism is great, but it isn't perfect. This article looks at some of the more viable public blockchain alternatives.
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.
