Building blocks refer to the fundamental components or structures that make up a cryptocurrency system. These elements are essential for the functioning, security, and interaction of blockchain networks. Key building blocks include nodes, which are computers that maintain the blockchain, and miners or validators that process transactions and maintain network integrity. Another important component is the consensus mechanism, which is the protocol that ensures all participants agree on the state of the blockchain, such as Proof of Work or Proof of Stake.Smart contracts are also a significant building block, enabling automated, self-executing agreements without intermediaries. Tokens represent units of value or assets and can serve various purposes within a network, contributing to its overall ecosystem.Together, these building blocks create a robust environment for transactions, applications, and innovations, allowing for decentralized financial systems, digital assets, and more. Each element plays a vital role in the architecture and functionality of a cryptocurrency, facilitating growth and ensuring security.