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[2620:6e:a000:1::99]) by gmr-mx.google.com with ESMTPS id hd13-20020a05622a298d00b00434ae42e17asi2554150qtb.1.2024.04.28.06.46.00 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 28 Apr 2024 06:46:00 -0700 (PDT) Received-SPF: pass (google.com: domain of lf-lists@mattcorallo.com designates 2620:6e:a000:1::99 as permitted sender) client-ip=2620:6e:a000:1::99; X-DKIM-Note: Keys used to sign are likely public at X-DKIM-Note: https://as397444.net/dkim/mattcorallo.com and X-DKIM-Note: https://as397444.net/dkim/clients.mail.as397444.net X-DKIM-Note: For more info, see https://as397444.net/dkim/ Received: by mail.as397444.net with esmtpsa (TLS1.3) (Exim) (envelope-from ) id 1s14qt-0043AC-0P; Sun, 28 Apr 2024 13:45:59 +0000 Message-ID: <6a787f0d-db85-48fe-9e00-217ccd2a0f2f@mattcorallo.com> Date: Sun, 28 Apr 2024 09:45:54 -0400 MIME-Version: 1.0 Subject: Re: [bitcoindev] The Future of Bitcoin Testnet To: Jameson Lopp , bitcoindev@googlegroups.com References: Content-Language: en-US From: Matt Corallo In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: quoted-printable X-Original-Sender: lf-lists@mattcorallo.com X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@mattcorallo.com header.s=1714310462 header.b=tUw3Ud6S; dkim=pass header.i=@clients.mail.as397444.net header.s=1714310464 header.b=AngFQrJy; spf=pass (google.com: domain of lf-lists@mattcorallo.com designates 2620:6e:a000:1::99 as permitted sender) smtp.mailfrom=lf-lists@mattcorallo.com; dmarc=pass (p=NONE sp=REJECT dis=NONE) header.from=mattcorallo.com Precedence: list Mailing-list: list bitcoindev@googlegroups.com; contact bitcoindev+owners@googlegroups.com List-ID: X-Google-Group-Id: 786775582512 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , X-Spam-Score: -0.8 (/) It has always been very clearly communicated that if testnet starts being v= alued or traded it will=20 be reset. There's some legitimate debate over parameters in a reset here, b= ut in the mean time=20 testnet3 has ceased to serve its intended purpose as a valueless test platf= orm. Thus, it should at=20 minimum be removed. On 3/31/24 9:19 AM, Jameson Lopp wrote: > Hi all, >=20 > I'd like to open a discussion about testnet3 to put out some feelers on p= otential changes to it.=20 > First, a few facts: >=20 > 1. Testnet3 has been running for 13 years. It's on block 2.5 million some= thing and the block reward=20 > is down to ~0.014 TBTC, so mining is not doing a great job at distributin= g testnet coins any more. >=20 > 2. The reason the block height is insanely high is due to a rather amusin= g edge case bug that causes=20 > the difficulty to regularly get reset to 1, which causes a bit of havoc. = If you want a deep dive=20 > into the quirk: https://blog.lopp.net/the-block-storms-of-bitcoins-testne= t/=20 > >=20 > 3. Testnet3 is being actively used for scammy airdrops; those of us who t= end to be generous with our=20 > testnet coins are getting hounded by non-developers chasing cheap gains. >=20 > 4. As a result, TBTC is being actively bought and sold; one could argue t= hat the fundamental=20 > principle of testnet=C2=A0coins having no value has been broken. >=20 > This leads me to ponder the following questions, for which I'm soliciting= feedback. >=20 > 1. Should we plan for a reset of testnet? If so, given how long it has be= en since the last reset and=20 > how many production systems will need to be updated, would a reset need t= o be done with a great deal=20 > of notice? >=20 > 2. Is there interest in fixing the difficulty reset bug? It should be a o= ne liner fix, and I'd argue=20 > it could be done sooner rather than later, and orthogonal to the network = reset question. Would such=20 > a change, which would technically be a hard fork (but also arguably a sel= f resolving fork due to the=20 > difficulty dynamics) necessitate a BIP or could we just YOLO it? >=20 > 3. Is all of the above a waste of time and we should instead deprecate te= stnet in favor of signet? >=20 > - Jameson >=20 > --=20 > You received this message because you are subscribed to the Google Groups= "Bitcoin Development=20 > Mailing List" group. > To unsubscribe from this group and stop receiving emails from it, send an= email to=20 > bitcoindev+unsubscribe@googlegroups.com . > To view this discussion on the web visit=20 > https://groups.google.com/d/msgid/bitcoindev/CADL_X_eXjbRFROuJU0b336vPVy5= Q2RJvhcx64NSNPH-3fDCUfw%40mail.gmail.com . --=20 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 e= mail to bitcoindev+unsubscribe@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/= bitcoindev/6a787f0d-db85-48fe-9e00-217ccd2a0f2f%40mattcorallo.com.