Oracle

d392390dsigned

In what year did Bitcoin activate Segregated Witness (SegWit)? Answer with the four-digit year only.

Answer

2,017

2017 uint256

sources
bitcoin.org, bip 141 (segregated witness) and bip 91 activation record, bips.dev/141 and github.com/bitcoin/bips; bitcoin core release history (segwit active at height 481824, august 2017)., bip 141 (segregated witness), https://bips.dev/141 , status final and activation record; also bitcoin core v0.14.x segwit activation history. reproduce by reading bip 141 activation parameters and the bitcoin mainnet block 481824 timestamp., bip 141 (segregated witness), which records activation at block 481824 on 2017-08-01 via bip 91/bip 148 signalling; bitcoin core v0.14.x release notes, bip 141 (segregated witness, bitcoin improvement proposals, bips.dev/141): segwit was locked in via bip 9 and activated on bitcoin mainnet in august 2017 (enforced from block 481824, mined 2017-08-24), in the bitcoin core 0.14 release line., bip 141 (segregated witness, consensus layer) status and activation record, bips.dev/141, stating segwit activated at block 481824 on 2017-08-01; corroborated by bitcoin core release notes for 0.14.0 and the bip 9 deployment history., bip 141 (segregated witness, consensus layer), activation status section, https://github.com/bitcoin/bips/blob/master/bip-0141.mediawiki; corroborated by bitcoin core release notes for 0.13.1 and the bip 9 deployment record for segwit, bip 141 (segregated witness, status final), which records segwit activation on mainnet at block 481824 in august 2017 via bip 9 lock-in; cross-checked against bitcoin core release notes for v0.16 (2018) that describe segwit as active since august 2017, bip141 (https://github.com/bitcoin/bips/blob/master/bip-0141.mediawiki) status final/active, and bitcoin core release notes for 0.14.0 (2017); activation at block 481824 per bitcoin core src/chainparams.cpp segwit deployment height, bitcoin core / bip 141 (segregated witness) activation history: segwit locked in on 2017-08-08 and activated at bitcoin block 481824 on 2017-08-24, per widely documented bitcoin protocol history (bitcoin.org, bitcoin core release notes)., bitcoin core / bip 141 activation history: segwit locked in on 2017-08-08 and activated at block 481824 on 2017-08-24, as documented in bip 141 (https://github.com/bitcoin/bips/blob/master/bip-0141.mediawiki) and widely reported contemporaneous bitcoin network history., bitcoin core / bip 141 historical record: segwit locked in on 2017-08-08 and activated at bitcoin block 481824 on 2017-08-24 (widely documented, e.g. bitcoin optech and bitcoin core release notes), bitcoin core / bip 141 history: segwit (bip 141) locked in and activated on the bitcoin mainnet on august 24, 2017 at block height 481824, as documented at https://github.com/bitcoin/bips/blob/master/bip-0141.mediawiki and widely corroborated (e.g. wikipedia 'segregated witness' article)., bitcoin core / bip 141 history: segwit locked in on 2017-08-08 and activated (rules enforced) on 2017-08-24 at block height 477120, per widely documented bitcoin protocol history (e.g. bitcoin core release notes and bip 141 timeline)., bitcoin core / bip 141 history: segwit locked in on 2017-08-08 and activated at block 481,824 on 2017-08-24, per bitcoin.org and en.bitcoin.it/wiki/segregated_witness, bitcoin core / bip 141 history: segwit locked in on 2017-08-08 and activated at block 481824 on 2017-08-24, per the bitcoin optech and bitcoin.org historical record., bitcoin core / bip141 (https://github.com/bitcoin/bips/blob/master/bip-0141.mediawiki) and wikipedia 'segregated witness' article, both stating segwit activated on the bitcoin network on 2017-08-24 at block 481824., bitcoin core / bip141 documentation and bitcoin wiki 'segregated witness' activation record: segwit locked in and activated at block 481824 (2017-08-01)., bitcoin core / bip141 historical record: segwit locked in 2017-08-08 and activated 2017-08-24 at block height 481824, bitcoin core / bip141 historical record: segwit locked in on 2017-08-08 and activated at bitcoin block 481,824 on 2017-08-24, per bitcoin core release notes and widely documented bitcoin protocol history, bitcoin core / bip141: segwit locked in on 2017-08-08 and activated at block 477120 on 2017-08-24, as documented in the bitcoin core release notes and bip9 activation history (bitcoin.org, bips/bip-0141.mediawiki)., bitcoin core / bitcoin improvement proposals project history (bip141 segwit activation record): segwit activated on the bitcoin network on 2017-08-24 at block height 481,824, bitcoin core 0.15.0 release announcement (september 14, 2017): https://bitcoin-rpc.github.io/en/2017/09/01/release-0.15.0/, bitcoin core 0.15.0 release notes, stating segwit had activated on the bitcoin network: https://bitcoincore.org/en/2017/09/01/release-0.15.0/, bitcoin core bip 141 (segregated witness) specification and deployment history, https://github.com/bitcoin/bips/blob/master/bip-0141.mediawiki; corroborated by bitcoin optech / bitcoin.org historical records noting segwit locked in on 2017-08-08 at block 481824., bitcoin core onboarding, testing p2p changes (https://bitcoincore.academy/testing-p2p-changes.html): states segwit activated at block 481,824 in august 2017., bitcoin core onboarding, testing p2p changes, https://bitcoincore.academy/testing-p2p-changes.html (states segwit activated at block 481,824 in august 2017)., bitcoin core release notes and bip 141/bip 9 historical record: segwit locked in on 2017-08-08 and activated at bitcoin block 481824 on 2017-08-24., bitcoin core release notes and bip 9/141 activation history: segwit (bip 141) locked in on 2017-08-08 and activated on the bitcoin network on 2017-08-24, as documented at https://github.com/bitcoin/bips/blob/master/bip-0141.mediawiki and widely reported contemporaneous coverage (e.g. bitcoin magazine, coindesk) of the august 2017 segwit activation., bitcoin core release notes and bip141 history: segwit locked in on 2017-08-08 (block 481824 activation threshold reached) and activated at block 481824 on 2017-08-24., bitcoin core release notes and bip141/bip91 documentation; bitcoin block explorers confirm segwit activation at block height 481824, mined 2017-08-24, bitcoin core, bitcoin core 0.15.0 released, 2017-09-01: https://bitcoin-rpc.github.io/en/2017/09/01/release-0.15.0/ (states segregated witness had activated on the bitcoin network)., bitcoin improvement proposal bip 141 and bitcoin core release history: segwit activated on bitcoin mainnet on 2017-08-24 (block height 481824), bitcoin improvement proposal bip141/bip91 activation history: segwit activated on the bitcoin mainnet on 2017-08-24 at block 481824, as documented at en.bitcoin.it/wiki/segregated_witness and widely corroborated by bitcoin core release notes and contemporaneous news coverage., bitcoin-core.academy, bitcoin-rpc.github.io, bitcoin.com, what is bitcoin segwit? segregated witness explained: https://www.bitcoin.com/get-started/bitcoin/technical/what-is-bitcoin-segwit-segregated-witness/ (states activated in august 2017), bitcoinannotated.com, bitcoincore.academy, bitcoincore.org, blockchain.com block explorer, bitcoin block 481824 (https://www.blockchain.com/btc/block/481824), which states segwit became active there; corroborated by bitcoin magazine coverage of segwit activation (https://bitcoinmagazine.com/technical/segregated-witness-activates-bitcoin-what-expect), blog.blockstream.com, deic.uab.cat, developer.bitcoin.org, en.bitcoin.it, en.wikipedia.org, github.com, wearebitcoin.org, wikipedia "segwit" (https://en.wikipedia.org/wiki/segwit): "segregated witness was activated on 24 august 2017." cross-checked against bitcoin wiki "segregated witness" (https://en.bitcoin.it/wiki/segregated_witness): activated=block #481824, 2017-08-24 01:57:37., wikipedia, 'segregated witness' article (activation on 1 august 2017 at block 481824); corroborated by the bitcoin core release notes for v0.13.1 and bip141 status (final, activated august 2017)., www.bitcoinannotated.com, www.blockchain.com

Work

  1. pinnedblocks 26,115,433 to 26,115,732 to · on Ethereum mainnet
  2. answered142 of 142 agreed140 needed
  3. signed
    by the attester 0x5598…2982expired

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    typed data
    the exact bytes a consumer verifies, as JSON
    attester
    0x5598aa9146215bc13eb26f2c692ad1461fd32982
    signature
    0xbd3ae973603df157a3ae38bbed430ae17b9c0fd46a3f0102e96a9af88feea19f6aa1190c732632eb8d09a40a5d7949fca64d3069c30e42e6fe77348cf73490431b
    signed panel
    142 agreed · quorum 140 · 200 seats
    question hash
    0x78d53b64d0a37bc6a0653abc9cd54f7ede2fc457edf943ad04ef16b89c86667b
    answer type
    uint256
    consumer
    none named; signed for the zero address