Throwing myself into the conversation because I think there's other devs that use testnet like I do.<div>I mainly use testnet for checking if the utreexod implementation I'm building runs into consensus</div><div>bugs due to the havoc of how testnet creates bursts of blocks and how it reorganizes itself. I find</div><div>the unpredictability a feature.</div><div><br /></div><div><div>&gt; 1. Testnet3 has been running for 13 years. It's on block 2.5 million something and the block reward is down to ~0.014 TBTC, so mining is not doing a great job at distributing testnet coins any more.</div><div><br /></div><div>For my usage I never really see this as a problem since signet already provides that usecase. While</div><div>I can empathize with devs struggling to get coins, there's always signet for the usecase of testing</div><div>scripts/wallets. Signet doesn't really provide the same feature for my usecase. </div><div><br /></div><div>&gt; <span>2. The reason the block height is insanely high is due to a rather amusing edge case bug that causes the difficulty to regularly get reset to 1, which causes a bit of havoc. If you want a deep dive into the quirk: </span><a href="https://blog.lopp.net/the-block-storms-of-bitcoins-testnet/" target="_blank" rel="nofollow">https://blog.lopp.net/the-block-storms-of-bitcoins-testnet/</a></div><div><span><br /></span></div><div>I stated this above but I find this as a feature.</div><div><br /></div><div>&gt; 3. Testnet3 is being actively used for scammy airdrops; those of us who tend to be generous with our testnet coins are getting hounded by non-developers chasing cheap gains.<br /></div><div><br /></div><div>Could I get links/sources for this? I'm curious as to how big of a problem this is.</div><div><br /></div><div>&gt; 4. As a result, TBTC is being actively bought and sold; one could argue that the fundamental principle of testnet coins having no value has been broken.<br /></div><div><br /></div><div>Same for this. Would appreciate links/evidence.</div><div><br /></div><div><div>&gt; 1. Should we plan for a reset of testnet? If so, given how long it has been since the last reset and how many production systems will need to be updated, would a reset need to be done with a great deal of notice?</div><div><br /></div><div>I lean towards no unless the problem with testnet coins being valued is too significant.</div><div><br /></div><div>&gt; 2. Is there interest in fixing the difficulty reset bug? It should be a one liner fix, and I'd argue it could be done sooner rather than later, and orthogonal to the network reset question. Would such a change, which would technically be a hard fork (but also arguably a self resolving fork due to the difficulty dynamics) necessitate a BIP or could we just YOLO it?</div><div><br /></div><div>Again, I'd lean towards keeping it the same.</div><div><br /></div><div>&gt; 3. Is all of the above a waste of time and we should instead deprecate testnet in favor of signet?</div></div><div><br /></div><div>No as signet doesn't have the features I find valuable in testnet.<br /></div><div><br /></div><div>Best,</div><div>Calvin</div><div><div><blockquote style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;">
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