út 18. 3. 2025 v 22:24 odesílatel 'Antoine Poinsot' via Bitcoin Development Mailing List napsal: > Hi, > > Testnet4 was rolled out a year ago to address the shortcomings of > testnet3. One of those shortcomings was the difficulty reset creating > havoc. [0] In spite of this a similar rule was adopted for testnet4. [1] As > a result, testnet4 is similarly creating havoc. [2] > > The goal of testnet is to mimic the Bitcoin mainnet. This is why it is > useful to have in addition to a more control testing environment such as > Signet. > > The given rationale for a difficulty reset was to let developers > occasionally mine blocks on their laptop. But you cannot have your cake and > eat it too: either the network is permissionless (PoW) or you assign > identities and privileges to some (Signet). By trying to do both at the > same time testnet4 created a loophole for abuse. As a result it failed on > both count: it neither mimics mainnet nor allows developers to mine active > blocks on their laptop. > > I propose to fix this by removing the difficulty reset rule from testnet4 > through a flag day hard fork on 2026-01-01. I picked a date well in the > future to minimize disruption. This leaves enough time for a patch to be > reviewed, merged, included in the next major Bitcoin Core release, > backported to previous releases and adopted by the infrastructure running > on testnet4. That should be enough for a test network. > > Let me know what you think, > +1 I think this is a great idea. I can dedicate some resources to it, such as review, running a node, contributing some hash, if necessary, and a decentralized faucet (that anyone can run) that I've been working on > Antoine > > [0] > https://gnusha.org/pi/bitcoindev/CADL_X_eXjbRFROuJU0b336vPVy5Q2RJvhcx64NSNPH-3fDCUfw@mail.gmail.com > [1] > https://github.com/bitcoin/bips/blob/master/bip-0094.mediawiki#rule-specification > [2] https://fork.observer - pick the network on the top right corner > > -- > You received this message because you are subscribed to the Google Groups > "Bitcoin Development Mailing List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to bitcoindev+unsubscribe@googlegroups.com. > To view this discussion visit > https://groups.google.com/d/msgid/bitcoindev/hU75DurC5XToqizyA-vOKmVtmzd3uZGDKOyXuE_ogE6eQ8tPCrvX__S08fG_nrW5CjH6IUx7EPrq8KwM5KFy9ltbFBJZQCHR2ThoimRbMqU%3D%40protonmail.com > > . > -- You received this message because you are subscribed to the Google Groups "Bitcoin Development Mailing List" group. To unsubscribe from this group and stop receiving emails from it, send an email to bitcoindev+unsubscribe@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/bitcoindev/CAKaEYhKwsLHfv0gYQYZ9MnDVPyQTN6jAfzShaKkS%3Dk2fDfMq0A%40mail.gmail.com.