Proof-of-Work

BIS headquarters in Basel
Bitcoin's Proof-of-Work Algorithm Needs Replacing, Argues BIS Study
The proof-of-work algorithm used by bitcoin and some other cryptos is not viable in the long term, argues a Bank for International Settlements study.
BIS headquarters in Basel

combination lock promise
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?
combination lock promise

lightoff
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.
lightoff

razor
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.
razor

how bitcoin mining works
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.
how bitcoin mining works

stars
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.
stars

light, bulb
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."
light, bulb

bitcoin, gold
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?
bitcoin, gold

Brad Cohen via Larry Kless_YT
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.
Brad Cohen via Larry Kless_YT

gum, candy
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.
gum, candy