Institutional Custody, Multisig & the War on Cash | Mike Belshe SLP773

Mike Belshe, co-founder and CEO of BitGo, walks through how institutional Bitcoin custody actually works in 2026: qualified custody, self-custody co-signing, and why BitGo still centers a 2-of-3 model after pioneering P2SH multisig in 2013.

BitGo now operates as a US-regulated qualified custodian and public company, while still offering the same wallet stack individuals can run in self-custody mode. The conversation covers what “institutional security” means in practice — HSM-backed co-signing, open-source recovery paths, multi-jurisdictional key storage (including how BitGo moved WBTC when US regulation looked hostile), and why on-chain multisig still beats vendor-locked MPC for cold ops.

They also dig into the political and operational risks around large Bitcoin holdings: KYC and PII as honeypots, France tying names to amounts, the war on cash reaching Bitcoin, and whether an EO 6102-style confiscation risk still belongs in the threat model. On the institutional side, Belshe pushes back on multi-custodian setups that add failure modes, explains insurance limits versus the size of the Bitcoin market, and why splitting wallets matters after events like Bybit.

Timestamps

00:00 — Intro: Mike Belshe of BitGo

00:59 — Don't Lose Self-Custody's Power

05:41 — Retail Deserves Institutional Security

07:16 — Humans Are Terrible at OpSec

09:56 — 2-of-3 Protects Theft and Loss

14:35 — Retail Pays 160 Basis Points

19:22 — Why People Drift Toward Banks

20:35 — Self-Custody Is Never Trustless

23:39 — Why BitGo Sticks to 2-of-3

30:31 — A Public CEO Holds Zero at Home

31:27 — KYC Leaks Are Government Honeypots

39:28 — France Doxed Bitcoin Holdings

41:30 — War on Cash Reaches Bitcoin

43:45 — Multi-Jurisdictional Key Storage

45:29 — Executive Order 6102 Could Return

47:43 — Quantum-Resistant Wallets Today

49:27 — Multisig Beats MPC

53:33 — Splitting Custodians Adds Failures

58:29 — 2-of-2 MPC Can't Recover Loss

01:00:57 — $5–7B Insurance vs $1.6T Bitcoin

01:03:35 — Bybit Lost 10x by Not Splitting

01:05:21 — Multi-Institution vs Qualified Custody

Links:

• https://x.com/mikebelshe

• https://x.com/bitgo

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