From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id E92B45AC for ; Tue, 5 Jun 2018 17:52:31 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-ua0-f173.google.com (mail-ua0-f173.google.com [209.85.217.173]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id C316D4F6 for ; Tue, 5 Jun 2018 17:52:30 +0000 (UTC) Received: by mail-ua0-f173.google.com with SMTP id c23-v6so2246817uan.3 for ; Tue, 05 Jun 2018 10:52:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to; bh=UabyMwBWT3yBGxHtElaz6ye+tmNOxajxttmb2Ec2FUg=; b=QENJCjUm04aAFLoefgrzpFQwKlIX7JSjQHwQh5Kl4fcziu+c/c6ACzOlzWxQRAWCYg 7tVF/PVWMGkTeSj3NwaglfnFI+wUxBH0kIhnaT4xglmSchc1FuwX7LjFgnzqGj4gAtiR wUwQscYFu8OL1GiUltsrklDNTb1IZ+azsjFymFcpGB2A9Y6X6cu9gXYF9C+RAOKcaEzc yZy7AmKC5nbSUQl7NdjfZSvzbLIS5SY2enUk/2M9iZHKJ5yXyWtVrCv7JmzJfq/VelHQ ScBUaoRPV8T1ZpiKbFLFJx5V7AwT/bqSSIzaEMCV90lgjtneXy4a3LOWV+DigIGzcLAA X6Xw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to; bh=UabyMwBWT3yBGxHtElaz6ye+tmNOxajxttmb2Ec2FUg=; b=WxhYvgu8qg9NtGyvjztvV+EtjMShsTjZ+VHWYhEXpMclsgxhWe46uy1x7vIowgDJCE s5se8wB5ti88n1HIpnW3dmy5+P0qR27bpOZ4kyXaga8rl7bgSsKZaZRt6ERNS/dnYQf+ svpv+G9VD74aIMqNMQFZY0PSY4X1Lo0IMslE0mrKPdqYveP22pMwnB4WqYrYDgdtjR6h OCSHK+OZhE05+2S9vw6194NQo556ioFPi7nCGxQ94z3Ld4LjApCKuSaMV0Yfp3Kkd+em SYTX0PmnXSdPLVOz8WkfPRzXwBT/+AcsyoQuG1t0nKEjs8hsTff1n0Hx7pnpdKpzx8fp cuOw== X-Gm-Message-State: ALKqPwdvfAR2I+4/PaD7IGAaraU+OBEZ/3qQMS8kPA3c0e+eHl34Xjtf f50c8UQOrY364UY00YzP6/2SY7ULUJb7F3X1JLE= X-Google-Smtp-Source: ADUXVKKE8ZGEaAeV9acagYZJG2kNedOJZCytOklucn259GtNHJf8EjCpXPQiUxM/x0tL1vzjvZq0Ti/6BI8z7T0wP8s= X-Received: by 2002:ab0:1092:: with SMTP id d18-v6mr17426024uab.87.1528221149832; Tue, 05 Jun 2018 10:52:29 -0700 (PDT) MIME-Version: 1.0 Sender: gmaxwell@gmail.com Received: by 2002:a67:5193:0:0:0:0:0 with HTTP; Tue, 5 Jun 2018 10:52:29 -0700 (PDT) In-Reply-To: References: From: Gregory Maxwell Date: Tue, 5 Jun 2018 17:52:29 +0000 X-Google-Sender-Auth: Cs_aWYmz68-KwzRRfpxVT-Vcrvc Message-ID: To: Jim Posen , Bitcoin Protocol Discussion Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Subject: Re: [bitcoin-dev] BIP 158 Flexibility and Filter Size X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Bitcoin Protocol Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Jun 2018 17:52:32 -0000 On Tue, Jun 5, 2018 at 1:08 AM, Jim Posen via bitcoin-dev wrote: > hesitant to make the complexity tradeoff for bandwidth savings due to a > behavior that is actively discouraged. As an important point of clarification here. If scripts are used to identify inputs and outputs, then no use is required for that savings. Each coin spent was created once, so in an absurd hypothetical you can get a 2:1 change in bits set without any reuse at all. I don't know what portion of coins created are spent in the same 144 block window...