From: "Russell O'Connor" <roconnor@blockstream.io>
To: Jonas Schnelli <dev@jonasschnelli.ch>,
Bitcoin Protocol Discussion
<bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] New serialization/encoding format for key material
Date: Wed, 13 Jun 2018 10:58:33 -0400 [thread overview]
Message-ID: <CAMZUoKkstFOrA3xR7S1j2xJVYG+9L72TrLjAhFdPrQwwVyxXgA@mail.gmail.com> (raw)
In-Reply-To: <03557E21-8CFC-4822-8494-F4A78E23860B@jonasschnelli.ch>
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On Tue, May 29, 2018 at 5:13 AM, Jonas Schnelli via bitcoin-dev <
bitcoin-dev@lists.linuxfoundation.org> wrote:
> Hi
>
> If 520 bits are present, first 256 bits are the BIP32 chain code, to
> second 264
> bits (33 bytes) define the public key (according to BIP32)
>
In a 33 byte compressed public key, only 1 bit from the first byte conveys
information. The other 7 bits can be discarded. This will allow you to
reduce the bech32 encoded result by one character.
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next prev parent reply other threads:[~2018-06-13 14:58 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-29 9:13 [bitcoin-dev] New serialization/encoding format for key material Jonas Schnelli
2018-06-13 14:58 ` Russell O'Connor [this message]
2018-05-30 6:30 shiva sitamraju
2018-05-30 14:08 ` Gregory Maxwell
2018-05-30 19:03 ` Jonas Schnelli
2018-06-03 16:51 ` Jonas Schnelli
2018-06-03 19:23 ` Pieter Wuille
2018-06-03 21:30 ` Jonas Schnelli
2018-06-13 2:44 ` Pieter Wuille
2018-06-15 15:54 ` Russell O'Connor
2018-06-23 19:49 ` Pieter Wuille
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