Ethereum crypto minting, trading environmental damage

Released: July 2015

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Launched in 2015, Ethereum is an open-source, decentralised blockchain which hosts its native cryptocurrency Ether, as well as third-party decentralised applications, including non-fungible tokens (NFTs) and ERC-20 tokens.

Ethereum 1.0 launched using a proof-of-work cryptographic verification system that attracted considerable criticism for its huge energy demands. 

Specific areas of concern about Ethereum 1.0 included: 

In September 2022, Ethereum transitioned to a proof-of-stake system, cutting its energy use by an estimated 99.95%.

Operator: Ethereum Foundation
Developer: Ethereum Foundation

Country: USA

Sector: Banking/financial services

Purpose: Create currency

Technology: Blockchain; Virtual currency
Issue: Environment

Transparency: Governance; Black box; Marketing