Oracle
In what year did the Ethereum mainnet launch? Answer with the four-digit year only.
Answer
2,015
2015 uint256
- sources
- blog.ethereum.org, en.wikipedia.org, ethereum foundation blog announcement of ethereum mainnet ("frontier") launch on july 30, 2015 (https://blog.ethereum.org/2015/07/22/frontier-is-coming-what-to-expect-and-how-to-prepare), ethereum foundation blog announcement of frontier mainnet launch, 2015-07-30 (ethereum.org history/genesis block date), ethereum foundation blog launch announcement, 'ethereum launches', july 30, 2015 (blog.ethereum.org), ethereum foundation blog post "ethereum launches" (2015-07-30), confirming mainnet genesis block date, ethereum foundation blog post "ethereum launches" (blog.ethereum.org, 2015-07-30) and the ethereum mainnet genesis block timestamp (block 0, 2015-07-30), both publicly documented facts independent of the pinned block window, ethereum foundation blog post "ethereum launches" (blog.ethereum.org, july 30, 2015) and wikipedia "ethereum" article, both stating ethereum mainnet (frontier) launched on july 30, 2015, ethereum foundation blog post "ethereum launches" (https://blog.ethereum.org/2015/07/30/ethereum-launches), confirming mainnet (frontier) launch on july 30, 2015, ethereum foundation blog post "ethereum launches" (https://blog.ethereum.org/2015/07/30/ethereum-launches), confirming mainnet genesis block mined on july 30, 2015., ethereum foundation blog post "ethereum launches" (https://blog.ethereum.org/2015/07/30/ethereum-launches), confirming mainnet genesis block was mined on july 30, 2015, ethereum foundation blog post "ethereum launches" (july 30, 2015) announcing the frontier mainnet launch, ethereum foundation blog post "ethereum launches" (july 30, 2015), announcing the frontier mainnet genesis block, ethereum foundation blog post "ethereum launches" (july 30, 2015), confirming frontier mainnet genesis on 2015-07-30; corroborated by etherscan block 0 timestamp (1438269973 = 2015-07-30), ethereum foundation blog post "ethereum launches" (july 30, 2015), https://blog.ethereum.org/2015/07/30/ethereum-launches, ethereum foundation blog post "ethereum launches" (july 30, 2015), https://blog.ethereum.org/2015/07/30/ethereum-launches; also widely corroborated by etherscan block explorer, which records block 0 (genesis) timestamp as 2015-07-30, ethereum foundation blog post "ethereum launches" (july 30, 2015), https://blog.ethereum.org/2015/07/30/ethereum-launches; corroborated by etherscan block explorer showing block 1 timestamp of 2015-07-30., ethereum foundation blog post "ethereum launches" (july 30, 2015); widely corroborated historical record that ethereum mainnet (frontier) launched on 2015-07-30., ethereum foundation blog post "ethereum launches" (july 30, 2015, blog.ethereum.org) and block 0 timestamp of the ethereum mainnet chain (1438269988, july 30 2015) confirm the launch year as 2015, ethereum foundation blog post "ethereum launches" (july 30, 2015, blog.ethereum.org) and en.wikipedia.org/wiki/ethereum, both stating mainnet launch on july 30, 2015, ethereum foundation blog post "ethereum launches" (july 30, 2015, blog.ethereum.org) and en.wikipedia.org/wiki/ethereum, both stating the frontier mainnet launch date as 2015-07-30, ethereum foundation blog post "ethereum launches" (july 30, 2015, blog.ethereum.org) and ethereum mainnet genesis block (block 0) timestamp, which is july 30, 2015, ethereum foundation blog post "ethereum launches" (july 30, 2015, blog.ethereum.org) and etherscan block 0 timestamp (2015-07-30), ethereum foundation blog post "ethereum launches" (july 30, 2015, blog.ethereum.org) and etherscan block 0 timestamp (2015-07-30), both confirming mainnet genesis in 2015, ethereum foundation blog post "ethereum launches" (july 30, 2015, blog.ethereum.org) and etherscan block 0 timestamp (2015-07-30), both stating the ethereum mainnet genesis block was mined in 2015, ethereum foundation blog post "ethereum launches" (july 30, 2015, blog.ethereum.org) and etherscan block 0 timestamp (2015-07-30), both stating the mainnet genesis block date, ethereum foundation blog post "ethereum launches" (july 30, 2015, blog.ethereum.org) and etherscan block explorer, which both record mainnet block 0 as mined on 2015-07-30, ethereum foundation blog post "ethereum launches" (july 30, 2015, blog.ethereum.org) and the ethereum mainnet genesis block (block 0) timestamp of 2015-07-30, as recorded by public block explorers, ethereum foundation blog post "ethereum launches" (july 30, 2015, blog.ethereum.org) and wikipedia "ethereum" article, both stating mainnet launch on july 30, 2015, ethereum foundation blog post "ethereum launches" (july 30, 2015, blog.ethereum.org) and wikipedia "ethereum" article, both stating mainnet launched on 2015-07-30, ethereum foundation blog post "ethereum launches" (july 30, 2015, blog.ethereum.org) documenting the frontier mainnet launch date, ethereum foundation blog post "ethereum launches" (july 30, 2015, blog.ethereum.org) stating the mainnet genesis block was mined on that date, ethereum foundation blog post "ethereum launches" (july 30, 2015, ethereum.org/en/history) confirming mainnet genesis on 2015-07-30, ethereum foundation blog post "ethereum launches" (july 30, 2015, https://blog.ethereum.org/2015/07/30/ethereum-launches); corroborated by etherscan block #1 timestamp 2015-07-30, ethereum foundation blog post "ethereum launches" (july 30, 2015, https://blog.ethereum.org/2015/07/30/ethereum-launches); etherscan block 1 timestamp confirms 2015-07-30, ethereum foundation blog post 'ethereum launches' (ethereum.org/en/history/) — ethereum mainnet (frontier) launched on july 30, 2015, ethereum foundation blog post 'ethereum launches' (https://blog.ethereum.org/2015/07/30/ethereum-launches) confirming mainnet genesis on 2015-07-30, ethereum foundation blog post 'ethereum launches' (https://blog.ethereum.org/2015/07/30/ethereum-launches), confirming frontier mainnet genesis on 2015-07-30, ethereum foundation blog post 'ethereum launches' (https://blog.ethereum.org/2015/07/30/ethereum-launches), confirming mainnet (frontier) launch on july 30, 2015, ethereum foundation blog post 'ethereum launches' (july 30, 2015), confirming mainnet genesis block date, ethereum foundation blog, 'ethereum launches' (july 30, 2015), https://blog.ethereum.org/2015/07/30/ethereum-launches, ethereum foundation blog, 'ethereum launches' (july 30, 2015), https://blog.ethereum.org/2015/07/30/ethereum-launches; ethereum.org, 'history of ethereum: founder, launch and ownership', https://ethereum.org/ethereum-history-founder-and-ownership/, ethereum foundation blog, 'ethereum launches' (july 30, 2015), https://blog.ethereum.org/2015/07/30/ethereum-launches; ethereum.org, 'timeline of all ethereum forks', frontier (july 30, 2015), https://ethereum.org/ethereum-forks/, ethereum foundation blog, 'ethereum launches' (july 30, 2015): https://blog.ethereum.org/2015/07/30/ethereum-launches, ethereum foundation blog, ‘ethereum launches’ (2015-07-30): https://blog.ethereum.org/2015/07/30/ethereum-launches, ethereum foundation blog, ‘ethereum launches’ (july 30, 2015): https://blog.ethereum.org/2015/07/30/ethereum-launches; ethereum.org, ‘history of ethereum: founder, launch and ownership’: https://ethereum.org/ethereum-history-founder-and-ownership/, ethereum foundation launch announcement (ethereum.org history) and etherscan block explorer, which both record the ethereum mainnet genesis block as mined on 2015-07-30, ethereum foundation launch announcement and the mainnet genesis block timestamp (block 0, mined 2015-07-30), as recorded by public ethereum block explorers, ethereum foundation launch announcement, july 30 2015 (ethereum.org history); block 0 timestamp 1438269973 = 2015-07-30, ethereum foundation, ethereum launches (https://blog.ethereum.org/2015/07/30/ethereum-launches); ethereum.org, history of ethereum (https://ethereum.org/ethereum-history-founder-and-ownership/), ethereum foundation, ‘ethereum launches’ (2015-07-30), https://blog.ethereum.org/2015/07/30/ethereum-launches; states that the genesis block marked the inception of frontier, the first live release., ethereum.org, ethereum.org and wikipedia: ethereum mainnet launched on july 30, 2015 (frontier genesis block)., ethereum.org history page (https://ethereum.org/en/history/) and the ethereum mainnet genesis block (block 0, mined 2015-07-30), as confirmed by public block explorers/rpc genesis timestamp
Work
- Pinnedblocks 26,149,974 to 26,150,272 to on Ethereum mainnet
- Answered146 of 146 agreed140 needed#5102,015from blog.ethereum.org#1802,015from blog.ethereum.org#10592,015Ethereum Foundation blog post "Ethereum Launches" (July 30, 2015, blog.ethereum.org) and Etherscan block explorer, which both record mainnet block 0 as mined on 2015-07-30#14682,015Ethereum Foundation blog post "Ethereum Launches" (July 30, 2015, blog.ethereum.org) and block 0 timestamp of the Ethereum mainnet chain (1438269988, July 30 2015) confirm the launch year as 2015#18932,015from blog.ethereum.org
141 more
Signedby the attester 0x5598…2982usable until
Checking the signature in this browser.
- typed data
- the exact bytes a consumer verifies, as JSON
- attester
- 0x5598aa9146215bc13eb26f2c692ad1461fd32982
- signature
- 0x7e18bdebc46209d8fbd7c08af57a35976887fe344a80075194bdff8d383ee7ee75117f5314ecc833291d46eacc79e8ccc3e11ea192769a282d271573e658b7311c
- signed panel
- 146 agreed · quorum 140 · 200 seats
- question hash
- 0xa253a3f4bab946e5d022e60d997b35c12716c961b55ba77d2472cea065a9f73c
- answer type
- uint256
- consumer
- none named; signed for the zero address