&gt; nothing stops people from using, say, regtest for that kind of testing.<br /><br />How can you test the scenario, where it is hard to get new coins, and you have to get them from the current owners, by using regtest? If the difficulty is absolutely minimal, and every second nonce gives you a valid block hash, then you don't have to worry about your hashrate, because you can always produce a new block, and publish your tests, no matter what.<br /><br />Also, if you have no difficulty adjustments, then you cannot realistically see your hashrate, even on your CPU. You have to apply a lot of soft-forks on regtest, if you want to check those cases. And you cannot test "getting coins from the current owners" either, because regtest is not safe enough to be deployed online, and you have to soft-fork it into signet, if you want to do so.<br /><br />Which means, that if you want to test "how the network could behave after many halvings", then testnet3 is a better choice than regtest (which you cannot safely deploy online) or signet (which have less halvings than even mainnet).<br /><br />And in general, I think it is a good idea, to have at least one test network, which will have more halvings than the mainnet, so we can see in advance, what could happen, before those problems will hit the main network. By the way, when I think about it now, then my conclusion is, that it would be nice, to even have a network, where timestamps are pushed forward, and for example we could see year 2038 or year 2106 problem in some test network earlier, than on the mainnet.<br /><br /><div><div dir="auto">sunday, 31 march 2024 at 23:30:04 UTC+2 Peter Todd wrote:<br /></div><blockquote style="margin: 0px 0px 0px 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">On Sun, Mar 31, 2024 at 06:01:51PM -0300, Nagaev Boris wrote:
<br />&gt; &gt; If we fix the difficulty reset bug, we might as well also fix the coin supply
<br />&gt; &gt; issue: get rid of the halving for testnet and just make every block create new
<br />&gt; &gt; coins.
<br />&gt; 
<br />&gt; If such a change is made, then such a network won't be suitable to
<br />&gt; test halvings and software behaviour related to halvings.
<br />
<br />I don't think that's very important. That's a very small part of what testnet
<br />is used for, and nothing stops people from using, say, regtest for that kind of
<br />testing. We already changed important consensus code around difficulty with
<br />testnet-specific behavior.
<br />
<br />-- 
<br /><a href="https://petertodd.org" target="_blank" rel="nofollow">https://petertodd.org</a> 'peter'[:-1]@<a href="http://petertodd.org" target="_blank" rel="nofollow">petertodd.org</a>
<br /></blockquote></div>

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