How can you obtain different shields in Monopoly Go?

In the game Monopoly Go, obtaining various shields is part of the gameplay mechanics that are designed to provide protection for the player's properties. Shields can be acquired in several ways throughout the game: by purchasing them with in-game currency, landing on specific board spaces that award shields as a power-up, through chance or community chest cards that provide shields as a bonus, by completing certain objectives or achievements within the game, or by participating in special events or promotions that may offer shields as a reward. The availability and methods for obtaining shields may vary depending on the version of Monopoly Go being played, as well as any updates or changes the developers may introduce to the game over time.