Exactly. Also there are many people (including me) who will not consider 
the longest PoW chain which follows a different consensus rule as the valid 
Bitcoin version.
Beside that for a project like Bitsquare which is a wallet and exchange 
there are many potential issues and risks (replay attacks).
I think BitcoinJ needs a feature to distinguish clearly which chain the 
user is supporting. 


Am Montag, 20. März 2017 10:25:49 UTC-5 schrieb Matt Corallo:
>
> Given it appears likely there will be two separate currencies, it seems 
> really bad to not have some ability for users to differentiate between 
> them. Users will end up highly confused when they do a trade, receive BTU, 
> and deposit it to an exchange only to find no BTC.
>
>
> On March 19, 2017 6:42:57 PM PDT, Amitabh Saxena <amita...@gmail.com 
> <javascript:>> wrote:
>>
>> Will bitcoinj reject larger blocks?
>>
>> On Wednesday, March 15, 2017 at 4:38:55 PM UTC+5:30, Andreas Schildbach 
>> wrote:
>>>
>>> As long as a fork does not change the proof of work rules, bitcoinj 
>>> makes no assumptions about forks. It will always select the chain with 
>>> the most work. 
>>>
>>> What do you mean by "requesting an UTXO" and what do you want to achieve 
>>> by that? 
>>>
>>>
>>> On 03/14/2017 06:07 PM, Manfred Karrer wrote: 
>>> > If there would happen really a BU fork SPV wallets could get a 
>>> > connection to a majority of BU nodes and so a different view to the 
>>> network. 
>>> > Any plans or ideas how to deal with that? 
>>> > 
>>> > One idea would be to use a UTXO which is known to exist on only 1 
>>> chain 
>>> > request that and use that as a check to see which chain the node is 
>>> > operated on. 
>>> > If it is not the chain the wallet supports the node gets disconnected. 
>>> > 
>>> > Br, 
>>> > Manfred 
>>> > 
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>>>
>>>
>>>

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