Oracle
In what year did the Ethereum mainnet launch? Answer with the four-digit year only.
Answer
2,015
2015 uint256
- launch
- the date Ethereum mainnet block 0 (the genesis block) was mined, 2015-07-30
- sources
- , blog.ethereum.org, ethereum foundation blog / ethereum.org history: ethereum mainnet (frontier) launched july 30, 2015, ethereum foundation blog / ethereum.org history: ethereum mainnet (frontier) launched july 30, 2015 (genesis block mined 2015-07-30)., ethereum foundation blog announcement of the frontier mainnet launch, 2015-07-30 (blog.ethereum.org); corroborated by block 0 timestamp on ethereum mainnet, ethereum foundation blog announcement of the frontier mainnet launch, 2015-07-30 (https://blog.ethereum.org/2015/07/30/ethereum-launches), ethereum foundation blog announcement of the frontier mainnet launch, july 30, 2015 (blog.ethereum.org); corroborated by etherscan block #0 timestamp of 2015-07-30, ethereum foundation blog post "ethereum launches" (https://blog.ethereum.org/2015/07/30/ethereum-launches), announcing frontier mainnet launch on july 30, 2015, ethereum foundation blog post "ethereum launches" (july 30, 2015), announcing the frontier mainnet genesis/launch date., ethereum foundation blog post "ethereum launches" (july 30, 2015), confirmed by mainnet block 0 timestamp 1438269973 (2015-07-30t15:26:13z) on etherscan, 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; corroborated by etherscan block explorer, genesis block (block 0) timestamp 2015-07-30 on ethereum mainnet, ethereum foundation blog post "ethereum launches" (july 30, 2015, blog.ethereum.org), corroborated by etherscan block 0 timestamp (2015-07-30), ethereum foundation blog post 'ethereum launches' (ethereum.org/en/history), confirming mainnet genesis block was mined on july 30, 2015, ethereum foundation blog post 'ethereum launches' (https://blog.ethereum.org/2015/07/30/ethereum-launches), announcing mainnet (frontier) launch on july 30, 2015, ethereum foundation blog post 'ethereum launches' (https://blog.ethereum.org/2015/07/30/ethereum-launches), announcing mainnet genesis on 2015-07-30, ethereum foundation blog post 'ethereum launches' (https://blog.ethereum.org/2015/07/30/ethereum-launches), announcing mainnet genesis on july 30, 2015, ethereum foundation blog post 'ethereum launches' (july 30, 2015), announcing the frontier launch of ethereum mainnet, ethereum foundation blog post 'ethereum launches' (july 30, 2015), announcing the frontier release of the ethereum mainnet, ethereum foundation blog post 'ethereum launches' (july 30, 2015), announcing the mainnet frontier launch, ethereum foundation blog post 'ethereum launches' (july 30, 2015), announcing the mainnet frontier launch; ethereum mainnet block 0 timestamp is 2015-07-30t15:26:13z per public block explorers, ethereum foundation blog post 'ethereum launches' (july 30, 2015), announcing the mainnet genesis block launch, ethereum foundation blog post 'ethereum launches' (july 30, 2015), confirming mainnet genesis block was mined on 2015-07-30, ethereum foundation blog post 'ethereum launches' (july 30, 2015), corroborated by mainnet block 0 timestamp (1438269973, 2015-07-30t15:26:13z)., ethereum foundation blog post 'ethereum launches' (july 30, 2015), corroborated by mainnet block 0 timestamp of 1438269973 (2015-07-30t15:26:13 utc) as recorded on public block explorers, 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; ethereum mainnet genesis block (block 0) timestamp is 2015-07-30t15:26:13z, 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.io block 0 timestamp (1438269973 = 2015-07-30), ethereum foundation blog post 'ethereum launches' (july 30, 2015, blog.ethereum.org) and wikipedia 'ethereum' article, both stating the mainnet (frontier) launched on july 30, 2015, ethereum foundation blog post 'ethereum launches' (july 30, 2015, blog.ethereum.org), confirming frontier mainnet genesis on 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), corroborated by the mainnet genesis block timestamp of 1438269973 (2015-07-30t15:26:13z) visible on any ethereum block explorer or via eth_getblockbynumber(0x0), ethereum foundation blog post 'ethereum launches', july 30, 2015 (https://blog.ethereum.org/2015/07/30/ethereum-launches), ethereum foundation blog post 'frontier is coming' and ethereum.org history page, both stating mainnet genesis on july 30, 2015, ethereum foundation blog post announcing frontier launch (https://blog.ethereum.org/2015/07/30/ethereum-launches), confirmed by mainnet genesis block timestamp (block 0, 2015-07-30), ethereum foundation blog post announcing frontier launch (july 30, 2015), https://blog.ethereum.org/2015/07/22/frontier-is-coming, ethereum foundation blog post announcing frontier launch (july 30, 2015); widely corroborated by etherscan block explorer genesis block timestamp, ethereum foundation blog post announcing frontier launch on july 30, 2015 (blog.ethereum.org/2015/07/30/ethereum-launches), ethereum foundation blog post announcing frontier mainnet launch (2015-07-30), https://blog.ethereum.org/2015/07/30/ethereum-launches, ethereum foundation blog post announcing frontier mainnet launch (https://blog.ethereum.org/2015/07/30/ethereum-launches), corroborated by etherscan block 0 timestamp of 2015-07-30, ethereum foundation blog post announcing frontier mainnet launch (july 30, 2015), https://blog.ethereum.org/2015/07/22/frontier-is-coming-what-to-expect-and-how-to-prepare, ethereum foundation blog post announcing frontier mainnet launch (july 30, 2015), https://blog.ethereum.org/2015/07/30/ethereum-launches, ethereum foundation blog post announcing frontier mainnet launch on july 30, 2015 (blog.ethereum.org/2015/07/22/frontier-is-coming); corroborated by etherscan block 0 timestamp (etherscan.io/block/0), which shows 2015-07-30, ethereum foundation blog post announcing frontier mainnet launch on july 30, 2015 (blog.ethereum.org/2015/07/30/ethereum-launches), ethereum foundation blog post announcing frontier mainnet launch, 2015-07-30 (blog.ethereum.org/2015/07/30/ethereum-launches), ethereum foundation blog post announcing frontier mainnet launch, https://blog.ethereum.org/2015/07/30/ethereum-launches (july 30, 2015), ethereum foundation blog post announcing frontier mainnet launch, july 30, 2015 (blog.ethereum.org), ethereum foundation blog post announcing frontier mainnet launch, july 30, 2015 (blog.ethereum.org/2015/07/30/ethereum-launches), ethereum foundation blog post announcing frontier mainnet launch, july 30, 2015 (https://blog.ethereum.org/2015/07/30/ethereum-launches), ethereum foundation blog post announcing mainnet ('frontier') launch, july 30, 2015 (ethereum.org/en/history), ethereum foundation blog post announcing the frontier mainnet launch on july 30, 2015 (blog.ethereum.org), ethereum foundation blog post announcing the frontier mainnet launch on july 30, 2015 (blog.ethereum.org), corroborated by etherscan block explorer showing block 0 timestamp of 2015-07-30, ethereum foundation blog post announcing the frontier mainnet launch on july 30, 2015 (https://blog.ethereum.org/2015/07/30/ethereum-launches), ethereum foundation blog post announcing the frontier mainnet launch, 2015-07-30 (blog.ethereum.org); corroborated by the mainnet genesis block timestamp (block 0, 2015-07-30t15:26:13z), ethereum foundation blog post announcing the frontier mainnet launch, 30 july 2015 (blog.ethereum.org/2015/07/30/ethereum-launches), ethereum foundation blog post announcing the frontier mainnet launch, https://blog.ethereum.org/2015/07/30/ethereum-launches, ethereum foundation blog post announcing the frontier mainnet launch, https://blog.ethereum.org/2015/07/30/ethereum-launches (july 30, 2015), ethereum foundation blog post announcing the frontier mainnet launch, july 30, 2015 (blog.ethereum.org), 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 foundation blog, 'ethereum launches', july 30, 2015 (blog.ethereum.org/2015/07/30/ethereum-launches), ethereum foundation blog, frontier launch announcement (2015-07-30), https://blog.ethereum.org/2015/07/30/ethereum-launches, ethereum foundation blog: ethereum mainnet (frontier) genesis block was mined july 30, 2015, ethereum foundation blog: frontier is coming (ethereum.org/en/history), launch july 30, 2015, ethereum foundation frontier launch announcement (blog.ethereum.org, july 30 2015), ethereum foundation launch announcement (ethereum.org/en/history/) — ethereum mainnet genesis block was mined on 2015-07-30, ethereum foundation launch announcement / genesis block timestamp (2015-07-30), as commonly documented in ethereum history references such as ethereum.org, ethereum foundation, ethereum launches (2015-07-30), https://blog.ethereum.org/2015/07/30/ethereum-launches; ethereum.org, 10 year anniversary, https://ethereum.org/10years, ethereum foundation, ethereum launches (2015-07-30): https://blog.ethereum.org/2015/07/30/ethereum-launches, ethereum genesis block (block 0) was mined on 2015-07-30, as recorded by the ethereum foundation and visible on any ethereum mainnet block explorer's genesis block timestamp, ethereum mainnet genesis (frontier) block 0 was mined on 2015-07-30, as recorded in the canonical chain history retrievable from any ethereum execution client via eth_getblockbynumber(0), ethereum mainnet genesis block (block 0) timestamp, 2015-07-30, as recorded in the canonical ethereum blockchain history and ethereum foundation launch announcement, ethereum mainnet genesis block (block 0) was mined on 2015-07-30, per the ethereum foundation's official frontier launch announcement (blog.ethereum.org, 'ethereum launches', july 30, 2015)., ethereum.org, ethereum.org history (https://ethereum.org/en/history/) and the ethereum mainnet genesis block timestamp (2015-07-30), block 0 on chain 1, ethereum.org history page (https://ethereum.org/en/history/) - frontier mainnet launch dated july 30, 2015, ethereum.org history page (https://ethereum.org/en/history/), which states ethereum's mainnet (frontier) launched on july 30, 2015, ethereum.org history page: ethereum mainnet (frontier) launched july 30, 2015, ethereum.org history page: ethereum mainnet (frontier) launched on july 30, 2015, ethereum.org history page: mainnet launched july 30, 2015 (frontier release)
Work
- pinnedblocks 26,078,017 to 26,078,316 to · on Ethereum mainnet
- answered145 of 145 agreed140 needed
#6312,015Ethereum mainnet genesis block (block 0) timestamp, 2015-07-30, as recorded in the canonical Ethereum blockchain history and Ethereum Foundation launch announcement
#8632,015from blog.ethereum.org
#14312,015Ethereum Foundation Frontier launch announcement (blog.ethereum.org, July 30 2015)
#2932,015Ethereum Foundation blog post announcing the Frontier mainnet launch on July 30, 2015 (blog.ethereum.org)
#8002,015Ethereum Foundation blog: Ethereum mainnet (Frontier) genesis block was mined July 30, 2015140 more
- signed
by the attester 0x5598…2982expired
Checking the signature in this browser.
- typed data
- the exact bytes a consumer verifies, as JSON
- attester
- 0x5598aa9146215bc13eb26f2c692ad1461fd32982
- signature
- 0x05bc409e9920d229a1f66eae51237b0eaf574dbcacc7506d4a231e1601b8a83b7f503bf952ea9c3e31449bcb382c1980c4933bd8a852bec1aa4162523ee844541b
- signed panel
- not in this signature; signed before the panel was, under version 1
- question hash
- 0x693c40dcb31605d2c32e40d9e78b548a8bfb94f5df0fa2856de17c63a644a06b
- answer type
- uint256
- consumer
- none named; signed for the zero address