Will a Schnorr soft-fork introduce a new address format (i.e. not bech32)












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When we (hopefully) soft-fork to Schnorr signatures will the address be indistinguishable from bech32 addresses?










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    7















    When we (hopefully) soft-fork to Schnorr signatures will the address be indistinguishable from bech32 addresses?










    share|improve this question

























      7












      7








      7








      When we (hopefully) soft-fork to Schnorr signatures will the address be indistinguishable from bech32 addresses?










      share|improve this question














      When we (hopefully) soft-fork to Schnorr signatures will the address be indistinguishable from bech32 addresses?







      bech32-address schnorr-signatures






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      asked Dec 17 '18 at 0:15









      Bertram LundBertram Lund

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          They will be distinguishable, but they will still be bech32 addresses.



          The introduction of Schnorr signatures requires a new type of output. Segwit was designed with such extensibility in mind, and it defines 17 version numbers. Currently, only version 0 is used. Segwit v0 outputs with a 20-byte hash are known as P2WPKH outputs, and v0 outputs with a 32-byte hash are known as P2WSH outputs.



          A new version number can be introduced, for example v1, and given semantics through a softfork. Schnorr signatures is one of the changes being considered for a proposal.



          However, bech32 addresses literally encode a version number plus a payload, which maps directly to the various versions of segwit outputs.



          The version number in Bitcoin bech32 addresses is in the 4th character. For all v0 outputs, that version character is 'q'. For v1 outputs it will be a 'p'.






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          • Will existing wallets be able to send to version X scripts if they already support bech32 without any implementation changes?

            – nopara73
            Mar 1 at 23:22













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          1 Answer
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          1 Answer
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          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

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          10














          They will be distinguishable, but they will still be bech32 addresses.



          The introduction of Schnorr signatures requires a new type of output. Segwit was designed with such extensibility in mind, and it defines 17 version numbers. Currently, only version 0 is used. Segwit v0 outputs with a 20-byte hash are known as P2WPKH outputs, and v0 outputs with a 32-byte hash are known as P2WSH outputs.



          A new version number can be introduced, for example v1, and given semantics through a softfork. Schnorr signatures is one of the changes being considered for a proposal.



          However, bech32 addresses literally encode a version number plus a payload, which maps directly to the various versions of segwit outputs.



          The version number in Bitcoin bech32 addresses is in the 4th character. For all v0 outputs, that version character is 'q'. For v1 outputs it will be a 'p'.






          share|improve this answer
























          • Will existing wallets be able to send to version X scripts if they already support bech32 without any implementation changes?

            – nopara73
            Mar 1 at 23:22


















          10














          They will be distinguishable, but they will still be bech32 addresses.



          The introduction of Schnorr signatures requires a new type of output. Segwit was designed with such extensibility in mind, and it defines 17 version numbers. Currently, only version 0 is used. Segwit v0 outputs with a 20-byte hash are known as P2WPKH outputs, and v0 outputs with a 32-byte hash are known as P2WSH outputs.



          A new version number can be introduced, for example v1, and given semantics through a softfork. Schnorr signatures is one of the changes being considered for a proposal.



          However, bech32 addresses literally encode a version number plus a payload, which maps directly to the various versions of segwit outputs.



          The version number in Bitcoin bech32 addresses is in the 4th character. For all v0 outputs, that version character is 'q'. For v1 outputs it will be a 'p'.






          share|improve this answer
























          • Will existing wallets be able to send to version X scripts if they already support bech32 without any implementation changes?

            – nopara73
            Mar 1 at 23:22
















          10












          10








          10







          They will be distinguishable, but they will still be bech32 addresses.



          The introduction of Schnorr signatures requires a new type of output. Segwit was designed with such extensibility in mind, and it defines 17 version numbers. Currently, only version 0 is used. Segwit v0 outputs with a 20-byte hash are known as P2WPKH outputs, and v0 outputs with a 32-byte hash are known as P2WSH outputs.



          A new version number can be introduced, for example v1, and given semantics through a softfork. Schnorr signatures is one of the changes being considered for a proposal.



          However, bech32 addresses literally encode a version number plus a payload, which maps directly to the various versions of segwit outputs.



          The version number in Bitcoin bech32 addresses is in the 4th character. For all v0 outputs, that version character is 'q'. For v1 outputs it will be a 'p'.






          share|improve this answer













          They will be distinguishable, but they will still be bech32 addresses.



          The introduction of Schnorr signatures requires a new type of output. Segwit was designed with such extensibility in mind, and it defines 17 version numbers. Currently, only version 0 is used. Segwit v0 outputs with a 20-byte hash are known as P2WPKH outputs, and v0 outputs with a 32-byte hash are known as P2WSH outputs.



          A new version number can be introduced, for example v1, and given semantics through a softfork. Schnorr signatures is one of the changes being considered for a proposal.



          However, bech32 addresses literally encode a version number plus a payload, which maps directly to the various versions of segwit outputs.



          The version number in Bitcoin bech32 addresses is in the 4th character. For all v0 outputs, that version character is 'q'. For v1 outputs it will be a 'p'.







          share|improve this answer












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          share|improve this answer










          answered Dec 17 '18 at 0:39









          Pieter WuillePieter Wuille

          47.3k399158




          47.3k399158













          • Will existing wallets be able to send to version X scripts if they already support bech32 without any implementation changes?

            – nopara73
            Mar 1 at 23:22





















          • Will existing wallets be able to send to version X scripts if they already support bech32 without any implementation changes?

            – nopara73
            Mar 1 at 23:22



















          Will existing wallets be able to send to version X scripts if they already support bech32 without any implementation changes?

          – nopara73
          Mar 1 at 23:22







          Will existing wallets be able to send to version X scripts if they already support bech32 without any implementation changes?

          – nopara73
          Mar 1 at 23:22




















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