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[79.135.106.98]) by gmr-mx.google.com with ESMTPS id 4fb4d7f45d1cf-68e64309ccbsi347833a12.0.2026.06.08.15.07.26 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Jun 2026 15:07:26 -0700 (PDT) Received-SPF: pass (google.com: domain of opusluxofficial@proton.me designates 79.135.106.98 as permitted sender) client-ip=79.135.106.98; Date: Mon, 08 Jun 2026 22:07:21 +0000 To: "bitcoindev@googlegroups.com" From: "'opus lux' via Bitcoin Development Mailing List" Subject: [bitcoindev] [BIP] P2WOTS: 64 Slot Winternitz UTXO's (witness version three) Message-ID: Feedback-ID: 194750642:user:proton X-Pm-Message-ID: ac8a38c20e3877d63d6f836f57d6101084c8555d MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="b1=_xnGAm43TN0uVO0u8k6JYWDvR5KGYWmXmElCt8jWWc" X-Original-Sender: opusluxofficial@proton.me X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@proton.me header.s=protonmail header.b="ca/XRu+L"; spf=pass (google.com: domain of opusluxofficial@proton.me designates 79.135.106.98 as permitted sender) smtp.mailfrom=opusluxofficial@proton.me; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=proton.me X-Original-From: opus lux Reply-To: opus lux 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: -1.0 (-) --b1=_xnGAm43TN0uVO0u8k6JYWDvR5KGYWmXmElCt8jWWc Content-Type: text/plain; charset="UTF-8" Hi all, I's like to officially propose P2WOTS (Pay-to-Winternitz-One-Time-Signature), a new native Bitcoin output type using witness version three. It provides post quantum security using only SHA-256 and contains no elliptic curve key material anywhere. The 34 byte scriptPubKey commits to a Merkle Key Tree over 64 independent WOTS+ one time key pairs. This construction directly solves the WOTS+ one time signing limitation, each spend consumes a fresh independent slot key, making address reuse safe without ever violating the one time property. BIP draft PR: https://github.com/bitcoin/bips/pull/2194 Looking forward to technical feedback from the community. Regards,Opus Lux -- 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/LB_O7FqGG5kTYN96-MClXIl7retn-UyDlPQbVhVOnxlMO5i-h1Oq1NDhAkaZUqx--yeNW38X8p90IulPeSDLJzhJd5UwHYvFEzc8YhVWvtU%3D%40proton.me. --b1=_xnGAm43TN0uVO0u8k6JYWDvR5KGYWmXmElCt8jWWc Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi al= l,

I's like to officially propose P2WOTS (Pay-to-= Winternitz-One-Time-Signature), a new native Bitcoin output type using witn= ess version three. It provides post quantum security using only SHA-256 and= contains no elliptic curve key material anywhere.

The 34 byte scriptPubKey commits to a Merkle Key Tree over 64 independent = WOTS+ one time key pairs.
This construction directly solves the W= OTS+ one time signing limitation, each spend consumes a fresh independent s= lot key, making address reuse safe without ever violating the one time prop= erty.

BIP draft PR:

Looking forward to technical feed= back from the community.

Regards,
Opus = Lux

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