The emergence of decentralized Bitcoin: digital evolution under human-computer interaction mapping The decentralization mechanism of Bitcoin is a complex and fascinating phenomenon that goes beyond simple technological implementation and is more like a "new species" emerging in the digital world. To understand its essence, we need to distinguish it from the concept of "Code is Law" and draw on Darwin's theory of evolution to reveal its self-organizing and evolutionary characteristics. Code is Law "emphasizes formalizing rules and implementing them in code, with advantages in determinism, automation, and transparency. The execution of code ensures strict adherence to rules and reduces the possibility of human intervention. Smart contracts are a typical application of the "Code is Law" concept, which automatically executes contract terms through pre-set code. However, 'Code is Law' also has limitations, such as rigidity, interpretive dilemmas, and neglect of social factors. The modification of code requires complex consensus mechanisms, which are difficult to quickly adapt to changes in the real world, and the code itself may also have vulnerabilities or ambiguities. In addition, 'Code is Law' often overlooks factors such as human behavior, social norms, and power structures, which are crucial in any social system. The decentralization of Bitcoin does not rely solely on the execution of code, but is built upon a complex socio technical system. It has formed a self-sustaining ecosystem through distributed networks, economic incentives, and consensus mechanisms. The Bitcoin network is composed of nodes distributed around the world, making it difficult for any single party to control the entire network. Through the "mining" mechanism, Bitcoin incentivizes participants to maintain network security and verify transactions, forming a self-sustaining economic system. Proof of Work (PoW) and other consensus mechanisms ensure the validity of transactions and the consistency of the ledger. The value and development of Bitcoin are the result of the actions and interactions of countless individual participants. For example: trading, holding coins, mining, etc. This decentralized mechanism has resistance to censorship and vulnerability, and has a certain degree of adaptability. The decentralization of Bitcoin is essentially an adaptive system for human-computer interaction. The technical code and protocol define the basic rules and operating mode of the system; The incentive mechanism at the economic level guides the behavior of participants and forms a self regulating economic ecology; The community consensus and individual behavior at the social level jointly shape the value and development of Bitcoin. This multi-level interaction enables the Bitcoin system to constantly adapt to environmental changes, presenting a self-organizing state of "inaction". Applying Darwin's theory of evolution to Bitcoin, we can discover many similarities. Miners, developers, investors, and users in the Bitcoin network compete and collaborate in their respective fields. Miners compete for computing power and accounting rights; Developers compete for technological innovation and improve network performance; Investors compete for scarce Bitcoin in the hope of gaining profits; User competition trading, using Bitcoin for value transfer. At the same time, people have reached a certain level of cooperation through consensus mechanisms to ensure the normal operation of the Bitcoin network. The Bitcoin system is a product of human-computer interaction, which maps human behavior and intentions to the digital world. This mapping is not static, but constantly evolves with changes in participant behavior. The development of Bitcoin is influenced by various factors such as technical codes, economic incentives, and community consensus. The Bitcoin network does not have a centralized controller, and its development has emerged from the interaction of countless individual behaviors. This adaptability enables Bitcoin to cope with various challenges, such as technological changes, policy changes, and so on. Therefore, the decentralization of Bitcoin is a self-organizing system based on human-computer interaction, which forms a complex interactive network through code, economic incentives, and consensus mechanisms. The competition and cooperation among countless individual participants are driving the evolution and development of the Bitcoin network. It is like an ecosystem in nature, possessing adaptability, vulnerability resistance, and evolution. The decentralization of Bitcoin is a "new species" emerging in the digital world, which combines human intelligence and machine computing power. Its development is constrained by both technological rules and individual behavior. The evolution of this human-computer interaction mapping makes Bitcoin exhibit a complexity and adaptability similar to natural evolution.