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From: Jonas Schnelli <dev@jonasschnelli.ch>
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Subject: Re: [bitcoin-dev] BIP Status updates (including to Active/Final
Status) - BIP 39, BIP 43, BIP 44, BIP 67, BIP 111, BIP 125, BIP 130
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From: Jonas Schnelli <dev@jonasschnelli.ch>
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Subject: Re: [bitcoin-dev] BIP Status updates (including to Active/Final
Status) - BIP 39, BIP 43, BIP 44, BIP 67, BIP 111, BIP 125, BIP 130
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> Le 25/08/2016 =E0 09:39, Jonas Schnelli via bitcoin-dev a =E9crit :
>> (I think this case if not completely unrealistic):
>>
>> What would happen, if a user gave out 21 addresses, then address0 had
>> receive funds in +180 days after generation where address21 had receiv=
e
>> funds immediately (all other addresses never received a tx).
>>
>> In a scan, address0 would be detected at <address-birthday>+180 days
>> which would trigger the resize+20 of the address-lookup-window, but, w=
e
>> would require to go back 180day in order to detect received transactio=
n
>> of address21 (new lookup-window) in that case.
>>
>> Or do I misunderstand something?
>>
>>
>=20
> That case is not unrealistic; a merchant might generate addresses that
> are beyond their gap limit, and orders get filled at a later date.
>=20
> In that case you will not get the same result when restoring your walle=
t
> in a block-scanning wallet and in Electrum.
>=20
> The lack of consideration for these cases is another issue with BIP44.
The development paradigm of "maybe detect funds" is not something we
should *not* encourage for Bitcoin IMO.
Users might sweep their existing bip32/bip44 seed (which could miss
funds according to the problem above) to a new wallet and discard the
previous seed.
But I agree with Luke-Jr.
This Thread is not about specification, it's about what's used and what
should be marked as standard.
New BIPs could cover "overhauled" proposals for BIP39 and BIP44.
Otherwise =96 very likely =96 nothing will happen.
</jonas>
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