Ep. 550 Callan ‘Sap' Sarre | Yield on Bitcoin with tBTC

BlockHash · Jul 20, 2025 · 20m

For episode 550 of the BlockHash Podcast, host Brandon Zemp is joined by Callan ‘Sap' Sarre the Co-Founder and CPO of tBTC while at Permissionless 4.

tBTC is the Bitcoin Standard for DeFi with battle-tested security since 2020. Live on 8 chains: ETH L1, BOB, Sol, Arbitrum, Optimism, Base, Polygon, and Starknet.

Learn more at https://threshold.network

⏳ Timestamps:

0:00 | Introduction

0:40 | Who is Sap?

2:29 | What is tBTC?

4:20 | How does tBTC produce yield?

6:45 | BitcoinFi

9:28 | tBTC at Permissionless

11:04 | tBTC use-cases

12:42 | Bitcoin in 2025

17:04 | tBTC website & socials

17:39…