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 310F0970 for ; Fri, 29 Sep 2017 12:45:42 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from blaine.gmane.org (unknown [195.159.176.226]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id A225C433 for ; Fri, 29 Sep 2017 12:45:41 +0000 (UTC) Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1dxufb-0002i8-FZ for bitcoin-dev@lists.linuxfoundation.org; Fri, 29 Sep 2017 14:45:31 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: bitcoin-dev@lists.linuxfoundation.org From: Andreas Schildbach Date: Fri, 29 Sep 2017 14:45:32 +0200 Message-ID: References: <20170927160654.GA12492@savin.petertodd.org> <20170929014543.GB11956@savin.petertodd.org> <20170929095537.GA15286@savin.petertodd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@blaine.gmane.org User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 In-Reply-To: <20170929095537.GA15286@savin.petertodd.org> Content-Language: en-US X-Spam-Status: No, score=2.4 required=5.0 tests=DKIM_ADSP_ALL,RDNS_NONE autolearn=disabled version=3.3.1 X-Spam-Level: ** X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Subject: Re: [bitcoin-dev] Address expiration times should be added to BIP-173 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: Fri, 29 Sep 2017 12:45:42 -0000 On 09/29/2017 11:55 AM, Peter Todd via bitcoin-dev wrote: >>> I'm well aware. As the payment protocol hasn't caught on - and doesn't fully >>> overlap all the usecases that addresses do anyway - I think we should consider >>> bringing this important feature to Bitcoin addresses too. >> >> Hasn't caught on? It is used for virtually all merchant transactions, >> plus person to person transactions between Bitcoin Wallet users. > > "Virtually all"? > > I regularly pay with Bitcoin, and I haven't seen the payment protocol used in > ages. I regularly pay with Bitcoin, and I haven't seen the payment protocol not being in use in ages. > Can you name some users of it? 15+ Mio Coinbase users ~10 Mio BitPay users 8 Mio Bitcoin Wallet users Plus Bitcoin Core, Electrum, etc (sorry no numbers) Probably the only usecase for naked addresses is paper wallets, right? I'm not sure if paper wallets can expire.