48  Blockchain

Table 2.1  Blockchain product matrix

Blockchain

technology

name

Consensus

algorithm

Type of network

Licence type

Adoption type

Project website

Bitcoin

PoW

Public

Open-source with

% of Bitcoin to

miners as a reward

Most usable cryptocurrency by market share.

Best use case of payments as peer-to-peer

payments

https://bitcoin.org/en/

Ethereum

PoW

Public with

smart contract

feature

Open-source with

transactional cost

in the ether as a

gas price

Digital currency, payments, NFTs, DiFi

(decentralised finance)

https://ethereum.org/en/

Ethereum 2.0

PoS

Public/Private

Open-source

Enterprise-grade adoption in payments,

supply chain and trading

https://ethereum.org/en/

eth2/

R3 Corda

Validity

consensus,

Uniqueness

consensus

Consortium

Corda

– Open-source

Corda Enterprise

– Licences

Open source as well as an enterprise-grade

blockchain platform for financial services

and many other industries

https://www.r3.com

Consensys

Quorum

PoA

Public and/or

Private

Open-source

Enterprise-grade Ethereum blockchain for

business

https://consensys.net/

quorum/

IBM

blockchain

PoA, PoS

Hybrid

Licensed

Based on Hyper ledger. Enterprise-grade

solutions for multiple industries

https://www.ibm.com/

uk-en/blockchain

Hyperledger

Fabric

Pluggable

Hybrid

Open-source

Enterprise-grade blockchain for multiple

industries

https://www.hyperledger.

org/use/fabric

Hyperledger

Indy

Zero

Knowledge

Proofs

Hybrid

Open-source

Enterprise-grade blockchain software for

decentralised digital identity

https://www.hyperledger.

org/use/

hyperledger-indy

Hyperledger

Sawtooth

Pluggable

Hybrid

Open-source

Modular design to develop enterprise-grade

smart contacts for multiple industries

https://www.hyperledger.

org/use/sawtooth

(Continued)