# Biometric Wallet and Fuzzy Extractor (?) **URL:** \ **Category:** IAM, Key Management & Privacy (IKP)\ **Created:** [February 25, 2026, 3:29am UTC](https://bgin.discourse.group/t/biometric-wallet-and-fuzzy-extractor/922 "2026-02-25T03:29:04Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![nat](https://sea1.discourse-cdn.com/flex019/user_avatar/bgin.discourse.group/nat/32/12_2.png) [@nat](https://bgin.discourse.group/u/nat)\ **Post date:** [February 25, 2026, 3:29am UTC](https://bgin.discourse.group/t/biometric-wallet-and-fuzzy-extractor/922/1 "2026-02-25T03:29:04Z")
In the past Block, I think I have seen a presentation about a biometric wallet using fuzzy extractor or something with helper data to generate a deterministic key pair with sufficient entropy. However, I was not able to locate it. Could someone point me to the right file? Perhaps @saki-otsuki ? ---
**Author:** ![Mitchell](https://sea1.discourse-cdn.com/flex019/user_avatar/bgin.discourse.group/mitchell/32/78_2.png) [@Mitchell](https://bgin.discourse.group/u/Mitchell)\ **Post date:** [February 25, 2026, 11:17am UTC](https://bgin.discourse.group/t/biometric-wallet-and-fuzzy-extractor/922/2 "2026-02-25T11:17:31Z")
> [@Block11 Wallet Governance and Credential Management (including Accountable Wallet)](https://bgin.discourse.group/t/block11-wallet-governance-and-credential-management-including-accountable-wallet/563/2): > > Here’s the material for this session, with minor revisions based on comments from the Layer2 Meetup. [2024\_1022\_Key management.pptx - Google Slides](https://docs.google.com/presentation/d/1FjenbNBGaQji4fFis38z52KOgLdLakV3/edit?usp=sharing&ouid=115989301791174521785&rtpof=true&sd=true) this one? ---
**Author:** ![JBringer](https://avatars.discourse-cdn.com/v4/letter/j/d26b3c/32.png) [@JBringer](https://bgin.discourse.group/u/JBringer)\ **Post date:** [February 25, 2026, 8:16pm UTC](https://bgin.discourse.group/t/biometric-wallet-and-fuzzy-extractor/922/3 "2026-02-25T20:16:21Z")
I think she provided a more detailled presentation some time ago… but not sure when. In any case, @nat if you are interested by the topic of key extraction from biometrics, I am happy to discuss it as well. ---
**Author:** ![saki-otsuki](https://avatars.discourse-cdn.com/v4/letter/s/b9e5f3/32.png) [@saki-otsuki](https://bgin.discourse.group/u/saki-otsuki)\ **Post date:** [February 25, 2026, 9:59pm UTC](https://bgin.discourse.group/t/biometric-wallet-and-fuzzy-extractor/922/4 "2026-02-25T21:59:37Z")
As far as I remember, I presented in Block 10 and Block 11 (Mitchell’s post). Please find the material from Block 10 here. > [@I-weekly Call (1AM UTC, February, 2024)](https://bgin.discourse.group/t/i-weekly-call-1am-utc-february-2024/353/9): > > Here is the link to the presentation file. By the way, how much time will I be given for my presentation in the session on March 5th? Will it be about the same as last time? [0215\_otsuki](https://drive.google.com/file/d/1dd4qTllmPWaMskfrPZuPRqvL07QUhBGY/view?usp=sharing) ---
**Author:** ![nat](https://sea1.discourse-cdn.com/flex019/user_avatar/bgin.discourse.group/nat/32/12_2.png) [@nat](https://bgin.discourse.group/u/nat)\ **Post date:** [February 26, 2026, 9:09am UTC](https://bgin.discourse.group/t/biometric-wallet-and-fuzzy-extractor/922/5 "2026-02-26T09:09:44Z")
Thanks, @saki-otsuki. I thought there was a little more detailed one, but I may be hallucinating 🙂 ---
**Author:** ![nat](https://sea1.discourse-cdn.com/flex019/user_avatar/bgin.discourse.group/nat/32/12_2.png) [@nat](https://bgin.discourse.group/u/nat)\ **Post date:** [February 26, 2026, 9:12am UTC](https://bgin.discourse.group/t/biometric-wallet-and-fuzzy-extractor/922/6 "2026-02-26T09:12:25Z")
@JBringer Yes, I am interested in the topic. I started to reviewing it in the context of the Block 14 where biometric identification would be discussed, but I recon that it would be useful in many other usecases than blockchain wallets. Are you going to be at Block 14 or SC27/WGs meeting in Nürnberg? ---
**Author:** ![JBringer](https://avatars.discourse-cdn.com/v4/letter/j/d26b3c/32.png) [@JBringer](https://bgin.discourse.group/u/JBringer)\ **Post date:** [February 27, 2026, 2:53am UTC](https://bgin.discourse.group/t/biometric-wallet-and-fuzzy-extractor/922/7 "2026-02-27T02:53:10Z")
both 🙂 Talk to you very soon