From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 29 Jul 2025 16:26:49 -0700 Received: from mail-oo1-f57.google.com ([209.85.161.57]) by mail.fairlystable.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94.2) (envelope-from ) id 1ugtia-00077Z-O0 for bitcoindev@gnusha.org; Tue, 29 Jul 2025 16:26:49 -0700 Received: by mail-oo1-f57.google.com with SMTP id 006d021491bc7-613a798c02csf7528495eaf.3 for ; Tue, 29 Jul 2025 16:26:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlegroups.com; s=20230601; t=1753831602; x=1754436402; darn=gnusha.org; h=list-unsubscribe:list-subscribe:list-archive:list-help:list-post :list-id:mailing-list:precedence:x-original-sender:mime-version :subject:message-id:to:from:date:sender:from:to:cc:subject:date :message-id:reply-to; bh=W+PdA3PNr9vg6L/24IQbo7Jl9TntNsBJw4vhWGqWuc0=; b=t3nmYyMm0M7dYpVoDAga5OiyGu1/SVwS9Rv8VDehnLVFoKn0i3fQzafkAnHbo8J7i/ WCnT5tZTbfdz0DpV75Ub1Z3rZ4BuZUzyZHuu16YTN+2xjz1q/hwjD7ijUjXE0WQG5hwM bZo0c9+/vLTDE07tIMTnd+jCqSTcDLvnciVsE2l9DDqVVNSP3p+mYDF2DvoZbGI8IK7c 9rCNuC5k/q8gZSKCHC8r7xnV2ETWrqY/0og3NgjxE1Bd+acAUrHm0sSlMaAyXv2FCIJy dsYS/4qipWWmMiBlX9aI3ulXc33oqU9cv4uzvOdOH9zqGlm2WonFswDywi9dKci5y8US ByDw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1753831602; x=1754436402; darn=gnusha.org; h=list-unsubscribe:list-subscribe:list-archive:list-help:list-post :list-id:mailing-list:precedence:x-original-sender:mime-version :subject:message-id:to:from:date:from:to:cc:subject:date:message-id :reply-to; bh=W+PdA3PNr9vg6L/24IQbo7Jl9TntNsBJw4vhWGqWuc0=; b=lRDoouNMOdj09+TWJ2oXjbYPItVV+CueP/PYGFlHJqZ1EEb0HvDJrlST94wL0BoQor sqwAwAw0XtDYPe7h88Ih3pBqS2tO9hHCE6YJNjENsQ08/p0i32QBK5yhE3BxIcf3PeWx pLAelWvnQe5h1RLut5H/kDkmpg1R/sBcYEM8eGX8yn1FR+o2AVTIutQPgJpAOlRi782J gITH/6SMLAqj/f90NtxZeMP1GIna6lxn5B/69ceascWbQcbKcjaEgmKFt3ZF5eDi5yAv G1Se3BTxjJ8n+JjI84RpnvK0oo/xD5iV6p4ErKW0hS4V6yehhaFPWBDinbudUendspMr VE/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753831602; x=1754436402; h=list-unsubscribe:list-subscribe:list-archive:list-help:list-post :list-id:mailing-list:precedence:x-original-sender:mime-version :subject:message-id:to:from:date:x-beenthere:x-gm-message-state :sender:from:to:cc:subject:date:message-id:reply-to; bh=W+PdA3PNr9vg6L/24IQbo7Jl9TntNsBJw4vhWGqWuc0=; b=vSlPm/JxlyoWkVr+1PPCZFZPeXXhwC3AZrEV+q1A1xrSKFfGNFr/NSvUjShzvqS7lj fpbTtvuQJwqoV51jKOZg0biH+Pw2wlh+eAssPvsR11GmQASpkBOc+akh35m3j9zTeDIa 1auGSYUHRje0NG3yMRNoKZOuBJabcEypedZJ1TIJn4OeMxszfYlDMhL+esL+R7oFHhN5 eyYVW1R2DrDIyuv7P23f0KBp3qshOCL2HqLawM4xCrRHDQY99CUWeo5H/WJr94FuR0PF o0/u7PL3tinWtUTlL5XpJ2yynuuWibX6ncJmtcZ9jgKKKnUr5088A62nCeayubjS+hIQ vBfw== Sender: bitcoindev@googlegroups.com X-Forwarded-Encrypted: i=1; AJvYcCW4OUV6+RGCIfd5CcXYmxgvIVjTqDsvQVNCiepsXH+LPbLkXPPZau98JvR2xR7cWOyiF/XQ5pU7Jfwk@gnusha.org X-Gm-Message-State: AOJu0YwjqgIE/38J1Gu+/JX+2+vFMb8E2xIBHAuScV1MWJwOiyLARAPd n29n+MXIO71+wlWXJD3PgtREfbwaSklg4/NWvuKvZCbmC8d6gzp+8zOk X-Google-Smtp-Source: AGHT+IGOKZNYLRrfHczv5q+RHTGlTnT4oPSWKJ06fs5iJ+zL4iBgiCQVx/9TUWikvpzGNccOlmSCLg== X-Received: by 2002:a05:6820:3013:b0:619:5ed4:b475 with SMTP id 006d021491bc7-6195ed4bb53mr309369eaf.4.1753831602351; Tue, 29 Jul 2025 16:26:42 -0700 (PDT) X-BeenThere: bitcoindev@googlegroups.com; h=AZMbMZfl2cPDU2fihvJlwRcei+iQvcRvWodTC8G9hp5D1tsegA== Received: by 2002:a05:6820:4185:b0:615:b951:f1ca with SMTP id 006d021491bc7-618fa0d720dls2435583eaf.0.-pod-prod-09-us; Tue, 29 Jul 2025 16:26:31 -0700 (PDT) X-Received: by 2002:a05:6808:1392:b0:41d:8847:5466 with SMTP id 5614622812f47-4319a27b484mr890853b6e.16.1753831591309; Tue, 29 Jul 2025 16:26:31 -0700 (PDT) Received: by 2002:a05:690c:2d88:b0:711:63b1:720 with SMTP id 00721157ae682-71a47360a4ams7b3; Tue, 29 Jul 2025 16:20:26 -0700 (PDT) X-Received: by 2002:a05:690c:6913:b0:71a:323a:b297 with SMTP id 00721157ae682-71a465edbf6mr19903017b3.7.1753831225492; Tue, 29 Jul 2025 16:20:25 -0700 (PDT) Date: Tue, 29 Jul 2025 16:20:24 -0700 (PDT) From: Calvin Kim To: Bitcoin Development Mailing List Message-Id: <3452b63c-ff2b-4dd9-90ee-83fd9cedcf4an@googlegroups.com> Subject: [bitcoindev] [BIP Proposal] Utreexo Nodes MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_962732_1431685249.1753831224990" X-Original-Sender: ccychc@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 (/) ------=_Part_962732_1431685249.1753831224990 Content-Type: multipart/alternative; boundary="----=_Part_962733_413676256.1753831224990" ------=_Part_962733_413676256.1753831224990 Content-Type: text/plain; charset="UTF-8" Hello all, Tadge Dryja, Davidson Souza, and I would like to propose 3 BIPs describing Utreexo, a consensus-compatible (non-soft fork) way to send and verify transactions without storing the full UTXO set. The 3 BIPs are for: 1. The specification of the Utreexo accumulator. 2. The specification of Bitcoin block and tx validation using the Utreexo accumulator. 3. The peer to peer networking changes required to enable Utreexo nodes. We are currently looking for conceptual review. Do note that the documents are not final, and they will be updated. All of the BIPs can be found here: https://github.com/utreexo/biptreexo We thank you in advance for your time and consideration. Best, Calvin -- 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/3452b63c-ff2b-4dd9-90ee-83fd9cedcf4an%40googlegroups.com. ------=_Part_962733_413676256.1753831224990 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hello all,

Tadge Dryja, Davidson Souza, and I would like to= propose 3 BIPs describing Utreexo, a consensus-compatible (non-soft fork) = way to send and verify transactions without storing the full UTXO set.

The 3 BIPs are for:
  1. The specification of the Utre= exo accumulator.
  2. The specification of Bitcoin block an= d tx validation using the Utreexo accumulator.
  3. The pee= r to peer networking changes required to enable Utreexo nodes.
    4. <= /ol>
    We are currently looking for conceptual review. Do note that the = documents are not final, and they will be updated.

    All of the BI= Ps can be found here: https://github.com/utreexo/biptreexo

=
We thank you in advance for your time and consideration.

Best,
Calvin

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