[Bitcoin-ml] Messaging through transaction

[Scott Roberts]

In bitcoin it looks like the memo field is 80 bytes and not kept in
the UTXO. In zcash, it is 500 bytes, encrypted, and permanent.

bitcoin:
https://bitcoin.stackexchange.com/questions/31972/how-to-add-additional-information-to-transaction
zcash
https://z.cash/blog/encrypted-memo-field.html

On Wed, Dec 27, 2017 at 5:59 PM, Amr Aboelela <amraboelela at gmail.com> wrote:
> Can this be done in bitcoin too? Does bitcoin have a similar field like the memo field?
>
> Sent from my iPhone
>
>> On Dec 27, 2017, at 11:32 AM, Scott Roberts <wordsgalore at gmail.com> wrote:
>>
>> HUSH and other Zcash clones are doing it. Hush is also working on a
>> cross-chain private and/or anonymous mailist. So at least with
>> zk-Snarks it can be done.
>>
>> On Wed, Dec 27, 2017 at 1:53 PM, Amr Aboelela via bitcoin-ml
>> <bitcoin-ml at lists.linuxfoundation.org> wrote:
>>> Thanks Lucas
>>> I created a PR: https://github.com/Bitcoin-UAHF/spec/pull/43
>>>
>>> Sent from my iPhone
>>>
>>> On Dec 27, 2017, at 8:50 AM, Lucas Clemente Vella <lvella at gmail.com> wrote:
>>>
>>> That would be nice if implemented as a side protocol, that nodes and SPV
>>> wallets could participate (no need to change the consensus rules for that).
>>>
>>> Not only human readable messages would be possible, but more complex
>>> protocols could be implemented over this messaging system, like a
>>> trackerless version of CashShuffle.
>>>
>>> If you write a nice specification, you could submit it to repository
>>> https://github.com/Bitcoin-UAHF/spec/, from where implementations could
>>> adopt if you make a good case for it.
>>>
>>> 2017-12-27 14:40 GMT-02:00 Amr Aboelela via bitcoin-ml
>>> <bitcoin-ml at lists.linuxfoundation.org>:
>>>>
>>>> I would like to add the ability to send text messages while sending
>>>> transaction, can that be implemented in bitcoin cash or do I have to make a
>>>> hard fork for that?
>>>>
>>>> Sent from my iPhone
>>>> _______________________________________________
>>>> bitcoin-ml mailing list
>>>> bitcoin-ml at lists.linuxfoundation.org
>>>> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-ml
>>>
>>>
>>>
>>>
>>> --
>>> Lucas Clemente Vella
>>> lvella at gmail.com
>>>
>>>
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