Each Bitcoin sidechain implementation brings about different centralization and consensus issues to weigh and consider.
This is an opinion editorial by Shinobi, a self-taught educator in the Bitcoin space and tech-oriented Bitcoin podcast host.
This article is the last in a series diving into the major sidechain designs that exist for Bitcoin. It is highly recommended to read the preceding pieces before this: (1) Spacechains, (2) Spacechain Use Cases, (3) Softchains, (4) Drivechains, (5) Federated Chains.