Blockchain 1.0
Web3 / crypto history
Blockchain 1.0 refers to the first generation of blockchain technology, primarily exemplified by Bitcoin, which launched in 2009. This era focused on establishing transparent, decentralized digital currencies that operate without intermediaries like banks, utilizing proof-of-work consensus and immutable ledgers. Bitcoin demonstrated that a distributed network could maintain agreement on transaction history and prevent double-spending through cryptographic proof and economic incentives, laying the foundational architecture and security model for all subsequent blockchain systems. Example: Bitcoin remains the quintessential Blockchain 1.0 system, processing peer-to-peer payments with a fixed 21-million-coin supply and roughly 10-minute block confirmation times through decentralized mining. Why it matters for crypto history: Blockchain 1.0 established the core paradigm of trustless digital transactions, proving the viability of decentralized consensus. This breakthrough enabled the evolution toward smart contracts and broader applications that define modern cryptocurrency and Web3 infrastructure.
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