| gptkbp:instanceOf | gptkb:cryptocurrency 
 | 
                        
                            
                                | gptkbp:basisFor | gptkb:Ethereum_Foundation 
 | 
                        
                            
                                | gptkbp:blockchain | ~15 seconds 
 | 
                        
                            
                                | gptkbp:co-founders | gptkb:Amir_Chetrit gptkb:Anthony_Di_Iorio
 gptkb:Charles_Hoskinson
 gptkb:Gavin_Wood
 gptkb:Jeffrey_Wilcke
 gptkb:Joseph_Lubin
 gptkb:Mihai_Alisie
 gptkb:Vitalik_Buterin
 
 | 
                        
                            
                                | gptkbp:consensusMechanism | gptkb:Proof_of_Work 
 | 
                        
                            
                                | gptkbp:creator | gptkb:Vitalik_Buterin 
 | 
                        
                            
                                | gptkbp:DAOHackYear | 2016 
 | 
                        
                            
                                | gptkbp:ERC-20StandardIntroduced | 2015 
 | 
                        
                            
                                | gptkbp:foundationLocation | gptkb:Switzerland 
 | 
                        
                            
                                | gptkbp:initialCrowdsale | 2014 
 | 
                        
                            
                                | gptkbp:initialWhitepaper | 2013 
 | 
                        
                            
                                | gptkbp:launchDate | 2015-07-30 
 | 
                        
                            
                                | gptkbp:launched | 2015 
 | 
                        
                            
                                | gptkbp:logo | Ethereum logo.svg 
 | 
                        
                            
                                | gptkbp:maxSupply | unlimited 72 million ETH
 
 | 
                        
                            
                                | gptkbp:nativeToken | gptkb:Ether_(ETH) 
 | 
                        
                            
                                | gptkbp:notableRelease | gptkb:London_Hard_Fork gptkb:Byzantium
 gptkb:Constantinople
 gptkb:Istanbul
 gptkb:monarchy
 gptkb:DAO_Fork
 gptkb:Homestead
 gptkb:EIP-1559
 gptkb:Berlin_Hard_Fork
 Frontier
 
 | 
                        
                            
                                | gptkbp:openSource | true 
 | 
                        
                            
                                | gptkbp:programmingLanguage | gptkb:Solidity gptkb:Vyper
 
 | 
                        
                            
                                | gptkbp:splitAfterDAOHack | gptkb:Ethereum_Classic 
 | 
                        
                            
                                | gptkbp:supports | smart contracts 
 | 
                        
                            
                                | gptkbp:testnet | gptkb:Ropsten gptkb:Goerli
 gptkb:Rinkeby
 gptkb:Kovan
 
 | 
                        
                            
                                | gptkbp:usedFor | decentralized finance NFTs
 decentralized applications
 
 | 
                        
                            
                                | gptkbp:website | https://ethereum.org 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:BNB 
 | 
                        
                            
                                | gptkbp:bfsLayer | 6 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Ethereum (historical) 
 |