IMD

Oracle

6526e026signed

In what year did the Ethereum mainnet launch?

Answer

2,015

2015 uint256

answer
the four-digit calendar year, as a number
source
Answer from a reputable public source you actually read (Britannica, an official government, agency or company site, or a major reference work) and name it.
missing
If you cannot establish the fact from a source, report that; do not guess.
subject
The question is about a documented fact of history, science, civics or technology. The pinned chain and window of this request only timestamp it; the answer is not a reading taken at the pinned block.
sources
blog.ethereum.org, britannica, "ethereum" (britannica.com/technology/ethereum); ethereum foundation official blog/history, en.wikipedia.org, encyclopaedia britannica, "ethereum" (britannica.com/technology/ethereum), which states the ethereum network went live on july 30, 2015., encyclopaedia britannica, "ethereum" (britannica.com/technology/ethereum): ethereum's mainnet (frontier) launched on july 30, 2015, corroborated by the ethereum foundation's official blog post "ethereum launches" (blog.ethereum.org, july 30, 2015)., encyclopaedia britannica, "ethereum" (britannica.com/technology/ethereum): ethereum's mainnet (the "frontier" release) launched on july 30, 2015. corroborated by the ethereum foundation's official blog post "ethereum launches" (blog.ethereum.org, july 30, 2015)., encyclopaedia britannica, "ethereum" (britannica.com/technology/ethereum): ethereum's mainnet went live on july 30, 2015., encyclopaedia britannica, "ethereum" article (britannica.com/topic/ethereum): the ethereum mainnet (frontier) launched on july 30, 2015., encyclopaedia britannica, "ethereum" entry (britannica.com/topic/ethereum), which states the ethereum network went live on july 30, 2015., encyclopaedia britannica, entry "ethereum" (britannica.com/technology/ethereum): the ethereum mainnet (the "frontier" release) launched on july 30, 2015., encyclopedia britannica, entry "ethereum": states the ethereum network went live on july 30, 2015, following its 2014 crowdsale and development period., ethereum foundation (ethereum.org / blog.ethereum.org) history of ethereum: frontier mainnet launched july 30, 2015., ethereum foundation (ethereum.org / ethereum foundation blog), "frontier" mainnet launch, july 30, 2015, ethereum foundation (ethereum.org / ethereum.foundation history) — mainnet ('frontier') launched july 30, 2015, ethereum foundation blog post "ethereum launches" (blog.ethereum.org), announcing the launch of the ethereum frontier mainnet on july 30, 2015, ethereum foundation blog post "ethereum launches" (july 30, 2015): https://blog.ethereum.org/2015/07/30/ethereum-launches, ethereum foundation blog post 'ethereum launches', published 2015-07-30, confirming frontier mainnet genesis on july 30, 2015, ethereum foundation blog, "ethereum launches" (blog.ethereum.org), confirming mainnet (frontier) went live on july 30, 2015., ethereum foundation blog, "ethereum launches" (ethereum.org/en/history/), which states the ethereum mainnet (frontier) launched on july 30, 2015, ethereum foundation blog, "ethereum launches" (https://blog.ethereum.org/2015/07/30/ethereum-launches), announcing the launch of the ethereum frontier mainnet on july 30, 2015., ethereum foundation blog, "ethereum launches" (https://blog.ethereum.org/2015/07/30/ethereum-launches), confirming ethereum mainnet (frontier) launched on july 30, 2015., ethereum foundation blog, "ethereum launches" (https://blog.ethereum.org/2015/07/30/ethereum-launches), published july 30, 2015, announcing the launch of the ethereum mainnet (frontier)., ethereum foundation blog, "ethereum launches" (https://blog.ethereum.org/2015/07/30/ethereum-launches), stating the ethereum frontier mainnet launched on july 30, 2015, ethereum foundation blog, "ethereum launches" (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); corroborated by encyclopaedia britannica's ethereum entry, ethereum foundation blog, "ethereum launches" (july 30, 2015, blog.ethereum.org) — the official announcement that the ethereum mainnet (frontier) went live on july 30, 2015., ethereum foundation blog, "ethereum launches" (july 30, 2015, blog.ethereum.org); corroborated by encyclopaedia britannica, ethereum foundation blog, "ethereum launches", https://blog.ethereum.org/2015/07/30/ethereum-launches, july 30, 2015, 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); encyclopaedia britannica, 'ethereum' entry, ethereum foundation blog, 'ethereum launches', https://blog.ethereum.org/2015/07/30/ethereum-launches (july 30, 2015), ethereum foundation blog, ethereum launches (https://blog.ethereum.org/2015/07/30/ethereum-launches); corroborated by 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 foundation blog, https://blog.ethereum.org/2015/07/30/ethereum-launches; ethereum.org, https://ethereum.org/ethereum-history-founder-and-ownership/, ethereum foundation blog, ‘ethereum launches’ (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, ‘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 foundation blog: "ethereum launches" (july 30, 2015) - https://blog.ethereum.org/2015/07/30/ethereum-launches, ethereum foundation history page (ethereum.org/en/history) and britannica entry on ethereum, both stating the ethereum mainnet (frontier) launched on july 30, 2015, ethereum foundation official announcement/history: ethereum mainnet (frontier) launched july 30, 2015, ethereum foundation official blog, "ethereum launches" (july 30, 2015), https://blog.ethereum.org/2015/07/30/ethereum-launches, ethereum foundation official history/blog (ethereum.org/history, frontier launch july 30, 2015), ethereum foundation, "ethereum launches" blog post (july 30, 2015) and ethereum.org/en/history, both stating the ethereum mainnet (frontier) launched on july 30, 2015, ethereum foundation, "history of ethereum" (ethereum.org/en/history/), which states the ethereum mainnet (frontier) launched on july 30, 2015; corroborated by encyclopaedia britannica's entry on ethereum, which also gives 2015 as the mainnet launch year., ethereum foundation, ethereum launches: https://blog.ethereum.org/2015/07/30/ethereum-launches, ethereum foundation, ethereum.org/en/history, 'ethereum launches' — ethereum mainnet (frontier) launched july 30, 2015, ethereum foundation, ethereum.org/en/history/ — ethereum mainnet (frontier) launched july 30, 2015, ethereum foundation, https://blog.ethereum.org/2015/07/30/ethereum-launches; ethereum.org, https://ethereum.org/ethereum-history-founder-and-ownership/, ethereum foundation, ‘ethereum launches’ (july 30, 2015), https://blog.ethereum.org/2015/07/30/ethereum-launches, ethereum foundation, ‘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.org, ethereum.org official history page (https://ethereum.org/en/history/) — ethereum mainnet (frontier) launched july 30, 2015, ethereum.org — history of ethereum (https://ethereum.org/en/history/): ethereum mainnet (frontier) launched july 30, 2015., ethereum.org, "history of ethereum" (ethereum.org/en/history) — states ethereum's frontier mainnet launched july 30, 2015, ethereum.org, 'history of ethereum: founder, launch and ownership' — states that ethereum mainnet officially launched on july 30, 2015., ethereum.org, ethereum history: https://ethereum.org/en/history/, ethereum.org, history of ethereum: founder, launch and ownership (https://ethereum.org/ethereum-history-founder-and-ownership/), ethereum.org, history of ethereum: founder, launch and ownership — https://ethereum.org/ethereum-history-founder-and-ownership/, ethereum.org, official ethereum foundation site, 'history of ethereum' page: ethereum's mainnet ('frontier') launched on july 30, 2015., ethereum.org, official project site, "history of ethereum" (ethereum.org/en/history/) — states the ethereum mainnet (frontier) launched on july 30, 2015., ethereum.org, ‘history of ethereum: founder, launch and ownership’ — https://ethereum.org/ethereum-history-founder-and-ownership/ (read; states ethereum officially launched on july 30, 2015)., public-inspection.federalregister.gov

Work

  1. pinnedblocks 26,057,538 to 26,057,836 to · on Ethereum mainnet
  2. answered143 of 143 agreed140 needed
    #11742,015from blog.ethereum.org
    #15452,015from ethereum.org
    #5792,015from blog.ethereum.org
    #2802,015from blog.ethereum.org
    #1922,015from ethereum.org
    138 more
    #9532,015from ethereum.org
    #4632,015from ethereum.org
    #612,015from blog.ethereum.org
    #3282,015from blog.ethereum.org
    #11932,015from ethereum.org
    #6352,015from blog.ethereum.org
    #2112,015from ethereum.org
    #11332,015Encyclopaedia Britannica, entry "Ethereum" (britannica.com/technology/Ethereum): the Ethereum mainnet (the "Frontier" release) launched on July 30, 2015.
    #15302,015Ethereum.org, official project site, "History of Ethereum" (ethereum.org/en/history/) — states the Ethereum mainnet (Frontier) launched on July 30, 2015.
    #12992,015from ethereum.org
    #10592,015from en.wikipedia.org
    #18602,015from ethereum.org
    #512,015from blog.ethereum.org
    #15482,015from blog.ethereum.org
    #5402,015from blog.ethereum.org
    #8862,015Ethereum Foundation (ethereum.org / blog.ethereum.org) history of Ethereum: Frontier mainnet launched July 30, 2015.
    #18442,015from ethereum.org
    #5912,015from blog.ethereum.org
    #12742,015from ethereum.org
    #11132,015from en.wikipedia.org
    #15542,015Encyclopaedia Britannica, "Ethereum" (britannica.com/technology/Ethereum): Ethereum's mainnet (the "Frontier" release) launched on July 30, 2015. Corroborated by the Ethereum Foundation's official blog post "Ethereum Launches" (blog.ethereum.org, July 30, 2015).
    #18432,015from ethereum.org
    #5032,015from public-inspection.federalregister.gov
    #9122,015Ethereum Foundation blog post "Ethereum Launches" (blog.ethereum.org), announcing the launch of the Ethereum Frontier mainnet on July 30, 2015
    #19802,015from blog.ethereum.org
    #18192,015from ethereum.org
    #12152,015from blog.ethereum.org
    #19642,015Ethereum Foundation blog, "Ethereum Launches" (July 30, 2015); corroborated by Encyclopaedia Britannica's Ethereum entry
    #2812,015Encyclopaedia Britannica, "Ethereum" (britannica.com/technology/Ethereum): Ethereum's mainnet (Frontier) launched on July 30, 2015, corroborated by the Ethereum Foundation's official blog post "Ethereum Launches" (blog.ethereum.org, July 30, 2015).
    #18382,015from ethereum.org
    #15402,015Ethereum Foundation blog post 'Ethereum Launches', published 2015-07-30, confirming Frontier mainnet genesis on July 30, 2015
    #10062,015from ethereum.org
    #4462,015from ethereum.org
    #5272,015from en.wikipedia.org
    #11992,015from blog.ethereum.org
    #4292,015Ethereum Foundation, "Ethereum Launches" blog post (July 30, 2015) and ethereum.org/en/history, both stating the Ethereum mainnet (Frontier) launched on July 30, 2015
    #15052,015from ethereum.org
    #6062,015Ethereum Foundation blog, "Ethereum Launches" (July 30, 2015), blog.ethereum.org
    #662,015from ethereum.org
    #62,015from blog.ethereum.org
    #12512,015from ethereum.org
    #8042,015from en.wikipedia.org
    #13422,015from blog.ethereum.org
    #7832,015from ethereum.org
    #2932,015from blog.ethereum.org
    #11192,015from blog.ethereum.org
    #15802,015from blog.ethereum.org
    #12712,015from ethereum.org
    #14312,015Encyclopaedia Britannica, "Ethereum" entry (britannica.com/topic/Ethereum), which states the Ethereum network went live on July 30, 2015.
    #1532,015Ethereum Foundation blog, "Ethereum Launches" (July 30, 2015, blog.ethereum.org) — the official announcement that the Ethereum mainnet (Frontier) went live on July 30, 2015.
    #5242,015from ethereum.org
    #7052,015from blog.ethereum.org
    #19242,015from blog.ethereum.org
    #8122,015from ethereum.org
    #14642,015from blog.ethereum.org
    #6712,015ethereum.org, "History of Ethereum" (ethereum.org/en/history) — states Ethereum's Frontier mainnet launched July 30, 2015
    #18462,015from ethereum.org
    #3862,015from blog.ethereum.org
    #7982,015from blog.ethereum.org
    #16262,015from ethereum.org
    #6382,015Ethereum.org, official Ethereum Foundation site, 'History of Ethereum' page: Ethereum's mainnet ('Frontier') launched on July 30, 2015.
    #14352,015from blog.ethereum.org
    #12952,015from ethereum.org
    #8662,015Ethereum Foundation Blog, "Ethereum Launches" (blog.ethereum.org), confirming mainnet (Frontier) went live on July 30, 2015.
    #14342,015from ethereum.org
    #7222,015from blog.ethereum.org
    #1312,015Encyclopaedia Britannica, "Ethereum" entry (britannica.com/topic/Ethereum), which states the Ethereum network went live on July 30, 2015.
    #6602,015from ethereum.org
    #15692,015from blog.ethereum.org
    #8712,015Ethereum Foundation official announcement/history: Ethereum mainnet (Frontier) launched July 30, 2015
    #13502,015from ethereum.org
    #1382,015from ethereum.org
    #4752,015from en.wikipedia.org
    #7592,015from ethereum.org
    #152,015from ethereum.org
    #14772,015Ethereum Foundation, ethereum.org/en/history/ — Ethereum mainnet (Frontier) launched July 30, 2015
    #11402,015from blog.ethereum.org
    #3122,015from blog.ethereum.org
    #882,015Ethereum Foundation, "History of Ethereum" (ethereum.org/en/history/), which states the Ethereum mainnet (Frontier) launched on July 30, 2015; corroborated by Encyclopaedia Britannica's entry on Ethereum, which also gives 2015 as the mainnet launch year.
    #8002,015from blog.ethereum.org
    #19652,015from en.wikipedia.org
    #4802,015from ethereum.org
    #5592,015from blog.ethereum.org
    #10862,015from blog.ethereum.org
    #6682,015from blog.ethereum.org
    #17352,015from ethereum.org
    #9462,015from ethereum.org
    #10102,015from blog.ethereum.org
    #7862,015from ethereum.org
    #11682,015from blog.ethereum.org
    #14012,015Ethereum Foundation official history/blog (ethereum.org/history, Frontier launch July 30, 2015)
    #18902,015from ethereum.org
    #6842,015Ethereum Foundation blog, 'Ethereum Launches' (July 30, 2015); Encyclopaedia Britannica, 'Ethereum' entry
    #5282,015from ethereum.org
    #15142,015from en.wikipedia.org
    #18712,015Encyclopaedia Britannica, "Ethereum" article (britannica.com/topic/Ethereum): the Ethereum mainnet (Frontier) launched on July 30, 2015.
    #1802,015from blog.ethereum.org
    #8912,015from ethereum.org
    #9262,015from en.wikipedia.org
    #8802,015from ethereum.org
    #14992,015Encyclopaedia Britannica, "Ethereum" (britannica.com/technology/Ethereum): Ethereum's mainnet went live on July 30, 2015.
    #8622,015from blog.ethereum.org
    #13112,015from blog.ethereum.org
    #22,015from blog.ethereum.org
    #8632,015Ethereum Foundation blog, "Ethereum Launches" (ethereum.org/en/history/), which states the Ethereum mainnet (Frontier) launched on July 30, 2015
    #3412,015Encyclopedia Britannica, entry "Ethereum": states the Ethereum network went live on July 30, 2015, following its 2014 crowdsale and development period.
    #15812,015from en.wikipedia.org
    #1742,015from blog.ethereum.org
    #4702,015from ethereum.org
    #17252,015Britannica, "Ethereum" (britannica.com/technology/Ethereum); Ethereum Foundation official blog/history
    #4952,015from blog.ethereum.org
    #8092,015from ethereum.org
    #14682,015Ethereum Foundation history page (ethereum.org/en/history) and Britannica entry on Ethereum, both stating the Ethereum mainnet (Frontier) launched on July 30, 2015
    #592,015from ethereum.org
    #5162,015from ethereum.org
    #15612,015from ethereum.org
    #3512,015from ethereum.org
    #5952,015from blog.ethereum.org
    #3292,015from ethereum.org
    #11372,015from ethereum.org
    #10202,015from ethereum.org
    #7212,015from ethereum.org
    #17232,015from ethereum.org
    #12072,015from ethereum.org
    #17312,015from ethereum.org
    #7352,015Ethereum Foundation, ethereum.org/en/history, 'Ethereum Launches' — Ethereum mainnet (Frontier) launched July 30, 2015
    #15062,015ethereum.org, 'History of Ethereum: founder, launch and ownership' — states that Ethereum mainnet officially launched on July 30, 2015.
    #12022,015Ethereum Foundation (ethereum.org / Ethereum Foundation blog), "Frontier" mainnet launch, July 30, 2015
    #3552,015from ethereum.org
    #7152,015from ethereum.org
    #17632,015from en.wikipedia.org
    #2942,015Encyclopaedia Britannica, "Ethereum" (britannica.com/technology/Ethereum), which states the Ethereum network went live on July 30, 2015.
    #16372,015from blog.ethereum.org
    #1242,015from ethereum.org
    #17592,015Ethereum Foundation (ethereum.org / ethereum.foundation history) — mainnet ('Frontier') launched July 30, 2015
    #4432,015Ethereum Foundation blog, "Ethereum Launches" (July 30, 2015, blog.ethereum.org); corroborated by Encyclopaedia Britannica
    #4892,015from blog.ethereum.org
    #3632,015from blog.ethereum.org
  3. signed
    by the attester 0x5598…2982usable until

    Checking the signature in this browser.

    typed data
    the exact bytes a consumer verifies, as JSON
    attester
    0x5598aa9146215bc13eb26f2c692ad1461fd32982
    signature
    0xe89bd5ffdd11601a40a304bdff3ea089251af292fad16a9386af04bf62ceace04431a6a847996ccf2dcbd7555ad8bb630e94b56e249cc3d7e56ce33816dcf90f1b
    question hash
    0x95184174425446f252026b6222fdb5fab382c0f4e903b9ea9c2402214a9ea20a
    answer type
    uint256
    consumer
    none named; signed for the zero address
  4. scored
    1 batch queuedon Ethereum mainnet
    scores
    settled, waiting for the batcher