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Re: Cryptocurrency: Rise of Bitcoin Cash BCH



On Tue, 3 Jul 2018 20:48:05 +0530
mark M <write2mark1 AT gmail.com> wrote:

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>   
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>  Couldn’t we just prune the old spent transactions in the blockchain and keep the chain and dB smaller   


	well, to verify new transactions you only need the UTXO set - problem is, in order to get the UTXO set you have to parse the whole transaction history starting from day zero. 

	you can run a prunning node, which only keeps the UTXO set, but that only saves storage space - you still need to process the whole blockchain at least once. 

	there doesn't seem to be an easy solution to the problem, otherwise it would have been adopted, I'd assume.

 
>   
> >   
> > On Jul 3, 2018 at 6:58 AM,  <juan (mailto:juan.g71 AT gmail.com)>  wrote:
> >   
> >  On Mon, 2 Jul 2018 17:50:02 -0700  
> > Steven Schear  <schear.steve AT gmail.com>  wrote:  
> >
> > >  I guess for you the article is a TL;DR. There was NOT a suggestion of  
> > >  simple confiscation. All one had to do, to prevent "reclamation", is to  
> > >  periodically move assets on the blockchain.  
> >
> >
> >  I know. So if you for whatever reason fail to move your funds they are stolen. Doesn't seem like a sensible protocol. Also, moving funds every a fixed period seems like a good way to make tracking easier?  
> >
> >  Last but not least what do you gain by forcing people to create new UTXOs from existing UTXOs?? Most of the data in the ledger is old spent transactions which are mostly useless*, except they are needed to make sure the supply hasn't been tampered with.  
> >
> >
> > *except for spying that is.  
> >