Spin is an intrinsic quantum property associated with each particle, which is characteristic of the nature of the particle, just like its mass and its electric charge . It allows us to characterize the behavior of the particle under the effect of its rotational symmetry in space.

Fascinating topic! The concept of spin in quantum mechanics reminds me of the decentralized nature of blockchain, where each node has its own unique identity and role in the network, much like how spin characterizes the behavior of particles.