Multisig SPV wallets: why lightweight Bitcoin custody changes the trade-offs for experienced U.S. users
Misconception first: a lightweight SPV (Simplified Payment Verification) wallet cannot be secure enough for multisig custody. That’s a common shorthand — conflating “light” with “weak” — but it misses how security is layered in practical Bitcoin setups. Lightweight clients can and do enforce the cryptographic rules that protect funds; the question is which threat models …
