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[2a00:1450:4864:20::12b]) by gmr-mx.google.com with ESMTPS id cf8-20020a056512280800b00515cb28541bsi192771lfb.5.2024.03.31.06.20.04 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 31 Mar 2024 06:20:04 -0700 (PDT) Received-SPF: pass (google.com: domain of jameson.lopp@gmail.com designates 2a00:1450:4864:20::12b as permitted sender) client-ip=2a00:1450:4864:20::12b; Received: by mail-lf1-x12b.google.com with SMTP id 2adb3069b0e04-516a97b3139so107133e87.2 for ; Sun, 31 Mar 2024 06:20:04 -0700 (PDT) X-Received: by 2002:ac2:4f13:0:b0:516:aaa4:d122 with SMTP id k19-20020ac24f13000000b00516aaa4d122mr213501lfr.27.1711891202595; Sun, 31 Mar 2024 06:20:02 -0700 (PDT) MIME-Version: 1.0 From: Jameson Lopp Date: Sun, 31 Mar 2024 09:19:50 -0400 Message-ID: Subject: [bitcoindev] The Future of Bitcoin Testnet To: bitcoindev@googlegroups.com Content-Type: multipart/alternative; boundary="0000000000000661210614f4bb96" X-Original-Sender: jameson.lopp@gmail.com X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=fEr3HO67; spf=pass (google.com: domain of jameson.lopp@gmail.com designates 2a00:1450:4864:20::12b as permitted sender) smtp.mailfrom=jameson.lopp@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.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: -0.5 (/) --0000000000000661210614f4bb96 Content-Type: text/plain; charset="UTF-8" Hi all, I'd like to open a discussion about testnet3 to put out some feelers on potential changes to it. First, a few facts: 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. 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: https://blog.lopp.net/the-block-storms-of-bitcoins-testnet/ 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. 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. This leads me to ponder the following questions, for which I'm soliciting feedback. 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? 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? 3. Is all of the above a waste of time and we should instead deprecate testnet in favor of signet? - Jameson -- 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 on the web visit https://groups.google.com/d/msgid/bitcoindev/CADL_X_eXjbRFROuJU0b336vPVy5Q2RJvhcx64NSNPH-3fDCUfw%40mail.gmail.com. --0000000000000661210614f4bb96 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi all,

I'd like to open a discussi= on about testnet3 to put out some feelers on potential changes to it. First= , a few facts:

1. Testnet3 has been running for 13= years. It's on block 2.5 million something and the block reward is dow= n to ~0.014 TBTC, so mining is not doing a great job at distributing testne= t coins any more.

2. The reason the block height i= s insanely high is due to a rather amusing edge case bug that causes the di= fficulty to regularly get reset to 1, which causes a bit of havoc. If you w= ant a deep dive into the quirk:=C2=A0https://blog.lopp.net/the-block-storms-of= -bitcoins-testnet/

3. Testnet3 is being active= ly used for scammy airdrops; those of us who tend to be generous with our t= estnet coins are getting hounded by non-developers chasing cheap gains.

4. As a result, TBTC is being actively bought and sol= d; one could argue that the fundamental principle of testnet=C2=A0coins hav= ing no value has been broken.

This leads me to pon= der the following questions, for which I'm soliciting feedback.

1. Should we plan for a reset of testnet? If so, given ho= w long it has been since the last reset and how many production systems wil= l need to be updated, would a reset need to be done with a great deal of no= tice?

2. Is there interest in fixing the difficult= y reset bug? It should be a one liner fix, and I'd argue it could be do= ne sooner rather than later, and orthogonal to the network reset question. = Would such a change, which would technically be a hard fork (but also argua= bly a self resolving fork due to the difficulty dynamics) necessitate a BIP= or could we just YOLO it?

3. Is all of the above = a waste of time and we should instead deprecate testnet in favor of signet?=

- Jameson

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