Proof-of-Work

New York State Senate Approves Watered-Down Bill Targeting Bitcoin Mining Emissions

The bill, which originally sought to freeze all “cryptocurrency mining centers” in New York for up to three years, heads to the Assembly with a more tailored focus.

Policy & regulation  ·  9 June 2021

Ethereum Classic’s Terrible, Horrible, No Good, Very Bad Week

Ethereum Classic suffered two 51% attacks in the same week. One week later, exchanges, investors and developers are split on the implications.

Tech  ·  10 August 2020
Ethereum

Hard Fork Sets Stage for Ethereum Classic’s Second Major Departure From Ethereum

Ethereum Classic has largely followed Ethereum in lockstep. But as the larger chain goes toward Proof-of-Stake, ETC is sticking with Proof-of-Work.

Tech  ·  3 June 2020
Governance

Ethereum’s ProgPoW Debate Is About Much More Than Mining

The debate over ProgPoW has become a flashpoint for how Ethereum makes big decisions.

Tech  ·  5 March 2020
Ether

The 3 Factors Fueling Ether’s 2020 Rally

Several factors could explain ether’s spectacular gains and determine whether they will continue.

Markets  ·  26 February 2020
Bitcoin Mining

Bitcoin’s Share of PoW Mining Rewards Now Above 80%

Rewards received by bitcoin miners form a major chunk of the salaries paid across major proof of work (PoW) blockchains, according to Yassine Elmandjra, a cryptocurrency analyst from ARK Invest.

Markets  ·  16 January 2020
Proof-of-Work

Kadena Goes Live, Announces New Token Sale Aiming for $20 Million

"This is the first time anyone has ever scaled proof-of-work," said Kadena co-founder Will Martino.

Markets  ·  4 November 2019
Ethereum

Hyundai’s Token Company Partners With CasperLabs to Build a PoS Blockchain

HDAC, issuer of the Hyundai-DAC token, is working with CasperLabs to move from proof-of-work.

Markets  ·  8 July 2019
Patents

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.

Tech  ·  17 May 2019
Bitcoin

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.

Tech  ·  24 February 2019
Bitcoin

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 of International Settlements study.

Policy & regulation  ·  22 January 2019
Privacy

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?

Business  ·  31 October 2018
Bitcoin

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.

Tech  ·  23 September 2018
Mining

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.

Tech  ·  15 September 2018
Bitcoin

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.

Tech  ·  6 July 2018