Private Blockchains

Chinese Hospital Issues First Electronic Bill on Blockchain

Hainan is one of the few provinces that have successfully incorporated blockchain technology into their public institutions’ online administrative platforms.

Policy & regulation  ·  13 January 2021

Luxury Watchmaker Breitling Adds Its First Timepieces to a Blockchain

In a rare example of real-world business deployment, Breitling is registering watches on a blockchain to track their provenance from owner to owner.

Business  ·  29 March 2020
News

Yes, You May Need a Blockchain

While scaling challenges abound, it's clear public blockchains offer something quite different to traditional databases, says Balaji S. Srinivasan.

Tech  ·  14 May 2019
Enterprise Blockchain

Tobacco Giant Philip Morris Is Building a Different Kind of ‘Public’ Blockchain

Tobacco giant Philip Morris is working on a "public blockchain," an executive said, though not quite in the commonly understood sense.

Markets  ·  25 April 2019
Ethereum

World Bank Bond Blockchain Offers Key Insights

Is it time to rethink private blockchains? The World Bank's "blockchain bond" success has reinvigorated that question.

Business  ·  3 September 2018
Private Blockchains

The Public-Private Blockchain Singularity May Be Close At Hand

A year ago, enterprise blockchain and cryptocurrency were essentially separate industries. Now come signs that these camps might be slowly converging.

Business  ·  29 April 2018
Insurance

Insurance Giant Allianz Is Testing a Token to Move Money Internally

Allianz is testing a blockchain token to move money between its global affiliates.

Markets  ·  19 April 2018
Permissioned Blockchains

Where Have All the Private Blockchains Gone?

What's next for private blockchains? More iteration, improvement – and adoption, argues developer Gideon Greenspan.

Business  ·  18 December 2017
Regulation

It’s Time for Governments to Embrace Blockchain

Governments haven't typically been thought of as early blockchain adopters. That could soon change, writes IBM's Marie Wieck.

Policy & regulation  ·  14 December 2017
Bitcoin

MultiChain 1.0: Bitcoin-Compatible Private Blockchain Opens for Enterprise

Coin Sciences has announced the production-ready version of its long-in-development private blockchain offering, MultiChain.

Business  ·  2 August 2017
Banking

The Blockchain Immutability Myth

MultiChain's Gideon Greenspan offers his latest insight into blockchain design, this time attacking the idea blockchains can truly be immutable.

Business  ·  9 May 2017
Privacy

‘Confidential Assets’: Blockstream Reveals New Bitcoin Privacy Tech

Bitcoin startup Blockstream has unveiled new technology for shielding the details of transactions on a blockchain.

Tech  ·  3 April 2017
Hyperledger Fabric

How Cornell Researchers Are Quietly Reinventing Private Blockchains

Why some researchers from Cornell's Institute for CryptoCurrencies & Contracts (IC3) are working to improve permissioned blockchain implementations.

Tech  ·  2 April 2017
Mining

Private Blockchains for Bitcoin Maximalists

CoinDesk contributor Martin Hagelstrom addresses the private vs public blockchain debate, arguing for the tech from a bitcoin believer's perspective.

Tech  ·  31 March 2017