This paper proposes a fast and secure 2-n ECDSA threshold signature. The protocol inherits the security and speed of the Li17 2-2 signature.

There are also obvious dependencies between different components in the security model of Bitcoin/Ethereum Layer 2.

Proper management of MPC wallets: conflict of interest prevention, decentralized management, and reliable disaster recovery.

The cycles we usually discuss are actually medium-sized cycles, which are more significantly driven by monetary factors and the resonance created by industry development narratives, leading to the switching between bull and bear markets.