There is a total of 13 instructions in this category.
These opcodes are used to provide information related to addresses, runtime environments, and data copy operations.
A Complete Guide to Understanding This Blockchain Concept
Environmental information There is a total of 13 instructions in this category. These opcodes are used to provide information related to addresses, runtime environments, and data copy operations. Mnemonic Value POP PUSH Gas Description ADDRESS 0x30 0 1 2 Used to get the address of the currently executing account BALANCE 0x31 1 1 20 Used to get the balance of the given account Used to get the address of the sender of the original ORIGIN 0x32 0 1 2 transaction Used to get the address of the account that initiated the CALLER 0x33 0 1 2 execution Retrieves the value deposited by the instruction or CALLVALUE 0x34 0 1 2 transaction Retrieves the input data that was passed a parameter with CALLDATALOAD 0x35 1 1 3 the message call Used to retrieve the size of the input data passed with the CALLDATASIZE 0x36 0 1 2 message call Used to copy input data passed with the message call from CALLDATACOPY 0x37 3 0 3 the current environment to the memory Retrieves the size of running the code in the current CODESIZE 0x38 0 1 2 environment Copies the running code from current environment to the CODECOPY 0x39 3 0 3 memory Retrieves the gas price specified by the initiating GASPRICE 0x3a 0 1 2 transaction EXTCODESIZE 0x3b 1 1 20 Gets the size of the specified account code
Why This Matters for Blockchain Technology
Understanding Environmental information is not just an academic exercise — it has real-world implications for how blockchain systems are designed, deployed, and secured. Whether you are a developer building decentralized applications, a business leader evaluating blockchain adoption, or a curious learner exploring the technology, this knowledge provides a critical foundation.
Key Points to Remember
- Environmental information is a core component of modern blockchain architecture.
- It enables trustless, decentralized operation without relying on a central authority.
- Both public and private blockchain networks leverage this concept in their design.
- Developers and architects must understand this concept to build robust, production-grade blockchain solutions.
Conclusion
Environmental information represents one of the many innovative layers that make blockchain technology so powerful and transformative. As distributed systems continue to evolve, a solid understanding of these core concepts becomes increasingly valuable — not just for developers, but for anyone building, investing in, or working alongside blockchain-powered systems.
Whether you are just starting your blockchain journey or deepening existing expertise, mastering these fundamentals gives you the tools to think clearly about decentralized systems and make smarter decisions in this rapidly evolving space.