a change in the protocol rules, which can result in either a hard or soft fork.
FROST
FROST (Flexible Round-Optimized Schnorr Threshold Signatures) is a protocol that minimizes the number of rounds of communication between participants in Schnorr signature schemes, reducing network bandwidth, time, and probability of errors.
Federations
Refers to a group of participants collaborating to manage a network, striking a balance between centralization and decentralization.