Proof-of-Work


Markets

Amazon Wins Patent for Proof-of-Work Cryptographic System

Tech giant Amazon has been granted a patent for a proof-of-work (PoW) cryptographic system similar to those used by many blockchains.

Amazon

Markets

Validators Create New Attack Vectors for Decentralized Systems

Bounty0x CMO Pascal Thellman discusses some of the potential security and incentives issues with validators on proof-of-stake networks.

(FabrikaSimf/Shutterstock)

Markets

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

Markets

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

Markets

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

Markets

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

Markets

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

Markets

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

Markets

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

Markets

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