Multiparty computation: The Trojan Horse of crypto regulation

Multiparty computation: The Trojan Horse of crypto regulation


Every once in a while, the crypto community crowns a new king for secure transactions, and the latest king seems to be multiparty computation, or MPC. This year, MPC adoption by custodial and noncustodial players has progressed and gained market traction at a rapid pace.

However, it could come at a price. MPC providers offer regulators a backdoor into cryptocurrency transactions. As the industry becomes more reliant on MPC for security, it could end up compromising on the long-held principles of decentralization and censorship-resistance.

The hidden features of MPC

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In order to identify where the risks exist, let’s briefly recap on MPC and how it’s used. At the most basic level, MPC technology involves splitting private keys into segments and distributing them between different parties. Most commonly, the client holds one key segment, and the MPC provider holds another. The aim is to improve security by ensuring that no party has full control over any given transaction, which can

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