diff --git a/_posts/2026-04-09-socratic-seminar-76.md b/_posts/2026-04-09-socratic-seminar-76.md
index 0c5ba8f..7429aff 100644
--- a/_posts/2026-04-09-socratic-seminar-76.md
+++ b/_posts/2026-04-09-socratic-seminar-76.md
@@ -78,20 +78,20 @@ Purify is a provably secure, circuit-friendly pseudorandom function
(PRF) [3, 1]: the design pushes the expensive message hashing outside the arithmetic circuit
while keeping the in-circuit work close to low-degree field arithmetic.
-https://judica.org/purify/
+
## Square starts to auto enables Bitcoin on POS machines
This month Square started to auto enable Bitcoin on all POS machines
-https://x.com/milessuter/status/2038620026115145857
+
## How wallet fingerprints damage Payjoin privacy
Armin Sabouri take a look at the different payjoin implementations and how fingerprinting those wallets can damage payjoin privacy.
-https://delvingbitcoin.org/t/how-wallet-fingerprints-damage-payjoin-privacy/2354
+
## Austin Bitdevs shutting down
-https://x.com/benthecarman/status/2039040709143969851
+