Blockchain

What is proof-of-stake? A computer scientist explains a new way to make cryptocurrencies, NFTs and metaverse transactions

Proof-of-stake as a consensus mechanism may be more energy efficient for blockchain systems, one expert says.

New York state pumps the brakes on crypto mining

With the value of cryptocurrency dropping and environmental concerns moving front and center, New York considers a two-year pause on fossil-fuel powered crypto mining operations.

Research uncovers vulnerabilities in blockchain tech, non-secure crypto transactions

Mutability within some decentralized ledger technologies prompted researchers' concerns over the security of cryptocurrency transactions.

Mayors endorse emerging technologies at annual conference

City leaders staked out positions related to drones, public safety, broadband, renewable energy, blockchain technology and more at their 90th annual conference.

In search of a more energy-efficient blockchain

Researchers have built a blockchain whose proof-of-work solves energy use optimization problems, possibly offsetting wasted compute power.

Better public-private partnerships could prevent major ransomware attacks, crypto insiders say

Cryptocurrency industry execs stressed their commitment to collaborating with law enforcement to track ransomware payments.

Reno mayor touts potential of blockchain, NFTs as city embarks on new pilot programs

At the U.S. Conference of Mayors' annual meeting Reno Mayor Hillary Schieve encouraged her peers from across the country to explore digital ventures and crypto transactions.

Reno pilots blockchain for historic registry

The city’s “Biggest Little Blockchain” will allow landowners, developers, city employees and the public to access the same record through the online platform.

Cities that hyped crypto are now contending with the crash

This month's cryptocurrency market meltdown is raising new questions about how far local governments and public officials should go getting involved with the virtual asset.

Can New York court and regulate the crypto industry at the same time?

Some state lawmakers are making enemies in the cryptocurrency industry as Eric Adams tries to woo it.

Report: 4 cybercrime stats to watch

Romance scams are on the rise and so is cryptocurrency theft.

Blockchain can power up government processes, GAO says

States have been experimenting with blockchain-based voting systems, smart contracts for ID management and fintech sandboxes, but implementation challenges exist.

Can blockchain tokens drive smarter commuting choices?

A gamified app that rewards commuters with blockchain tokens for smart transit choices may encourage users to reserve parking spaces or take public transit.

Blockchain Organization Tests Web3 Premise by Hosting NYC Data

The city's open data on demographics, air quality and legal notices was uploaded to Filecoin’s distributed network to evaluate its security and reliability.

IRS’ plans for cracking cryptocurrency wallets

The IRS wants to be able to decrypt hardware devices used as cryptowallets and set up a repeatable process forensic experts can use to exploit devices seized in investigations.

County tests blockchain for vital records

A proof-of-concept in Riverside County, Calif., allows customers to select the records they need, authenticate themselves, pay for the copies and receive blockchain-secured digital documents within minutes.

NSF seeks partners for blockchain business programs

The National Science Foundation is looking for help with demonstrations of blockchain-based smart contracts that could enhance its mission or business processes, including procurement and grant management.