: Volunteers used high-speed movement exploits like Boatfly and Elytra Fly to load and save chunks in a spiral pattern.
: The 2b2t Wiki (Miraheze) maintains a list of major bases destroyed or archived during these 2021 projects. 2b2t-map-2021
: By sending packets to the server asking if a specific block existed millions of blocks away, the server would only respond if that chunk was currently loaded by a player. : Volunteers used high-speed movement exploits like Boatfly