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If I set assumevalid=0 after syncing the blockchain will Bitcoin Core go back and validate historical blocks?


bitcoind synced more blocks than in the blockchain?Do I need 145GB disk space to validate and relay transactions with Bitcoin Core?What are the trust assumptions in --assumed-valid in bitcoin core 0.14?How do I delete the blockchain after uninstalling Bitcion Core?How to delete last n blocks / roll back to specific block number in Bitcoin Core? (Like `monero-blockchain-import --pop-blocks n`)How can i set fee permanently via paytxfee commandBitcoin-cli using getblock to retrieve historical dataAfter a long connection to the wallet, it offers to reinstall blocks and synchronize all Bitcoin core blocksBitcoin core node is not starting after -prune is applied in bitcoin.config fileHow to revert back several blocks in Bitcoin Core without re-syncing from scratch













1















I originally synced my node using the Bitcoin Core default assumevalid value. If I set assumevalid=0 in bitcoin.conf and restart my node, will my node go back and validate historical blocks?










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    1















    I originally synced my node using the Bitcoin Core default assumevalid value. If I set assumevalid=0 in bitcoin.conf and restart my node, will my node go back and validate historical blocks?










    share|improve this question
























      1












      1








      1








      I originally synced my node using the Bitcoin Core default assumevalid value. If I set assumevalid=0 in bitcoin.conf and restart my node, will my node go back and validate historical blocks?










      share|improve this question














      I originally synced my node using the Bitcoin Core default assumevalid value. If I set assumevalid=0 in bitcoin.conf and restart my node, will my node go back and validate historical blocks?







      bitcoin-core bitcoind signature transaction-verification assume-valid






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      asked 2 hours ago









      paddypaddy

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          No, it won't.



          That's also not possible without rebuilding the UTXO set from scratch, as the unspent outputs being spent need to be known to validate spends against.



          If you want to force a revalidation from scratch, start with -reindex-chainstate. This will blow away the UTXO set, and recreate it from the blocks on disk, and revalidate everything in the process (including all signatures, if -assumevalid=0 is set).






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            1 Answer
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            1 Answer
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            No, it won't.



            That's also not possible without rebuilding the UTXO set from scratch, as the unspent outputs being spent need to be known to validate spends against.



            If you want to force a revalidation from scratch, start with -reindex-chainstate. This will blow away the UTXO set, and recreate it from the blocks on disk, and revalidate everything in the process (including all signatures, if -assumevalid=0 is set).






            share|improve this answer



























              3














              No, it won't.



              That's also not possible without rebuilding the UTXO set from scratch, as the unspent outputs being spent need to be known to validate spends against.



              If you want to force a revalidation from scratch, start with -reindex-chainstate. This will blow away the UTXO set, and recreate it from the blocks on disk, and revalidate everything in the process (including all signatures, if -assumevalid=0 is set).






              share|improve this answer

























                3












                3








                3







                No, it won't.



                That's also not possible without rebuilding the UTXO set from scratch, as the unspent outputs being spent need to be known to validate spends against.



                If you want to force a revalidation from scratch, start with -reindex-chainstate. This will blow away the UTXO set, and recreate it from the blocks on disk, and revalidate everything in the process (including all signatures, if -assumevalid=0 is set).






                share|improve this answer













                No, it won't.



                That's also not possible without rebuilding the UTXO set from scratch, as the unspent outputs being spent need to be known to validate spends against.



                If you want to force a revalidation from scratch, start with -reindex-chainstate. This will blow away the UTXO set, and recreate it from the blocks on disk, and revalidate everything in the process (including all signatures, if -assumevalid=0 is set).







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 2 hours ago









                Pieter WuillePieter Wuille

                49.1k4101164




                49.1k4101164



























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