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Satoshi Nakamoto is the pseudonymous creator of Bitcoin. While they authored the whitepaper and mined approximately 1.1 million BTC in the early days, they disappeared in 2010. No single person or entity controls Bitcoin; it is a decentralized protocol maintained by a global network of nodes and miners. Satoshi’s coins have remained unmoved for over a decade, and the network’s rules are enforced by code and community consensus rather than a central authority.

Bitcoin has a fixed supply of 21 million coins to ensure scarcity and protect against the inflationary pressures found in traditional fiat currencies. This "Hard Cap" is hardcoded into the protocol. New coins are issued through mining, but the rate of issuance is reduced by half every four years. It is estimated that the final Bitcoin will be mined around the year 2140. Once the supply is exhausted, miners will be incentivized solely through transaction fees to continue securing the network.

Bitcoin Ordinals are a protocol that allows individual Satoshis (the smallest unit of BTC) to be inscribed with data like images, text, or videos. This effectively brings NFTs directly to the Bitcoin blockchain. While some argue this data "bloats" the chain, others view it as a revolutionary shift that expands Bitcoin's utility from a simple store of value to a versatile Web3 foundation, driving new innovation in digital collectibles and permanent on-chain data storage.

While Bitcoin's base layer is intentionally simple to maximize security, smart contracts are enabled through Layer 2 solutions. Projects like Stacks, Rootstock (RSK), and the Liquid Network allow developers to build decentralized applications (dApps) and DeFi protocols that use Bitcoin as the underlying asset. These layers provide the programmability found in other ecosystems while inheriting the security of the Bitcoin blockchain, allowing for complex financial instruments and programmable versions of BTC like sBTC.

The introduction of Spot Bitcoin ETFs and increased institutional involvement marks a major shift in Bitcoin’s evolution. By allowing investors to gain exposure through major regulated platforms and exchanges like LBank, Bitcoin has transitioned into a mainstream institutional asset. This adoption provides greater legitimacy and integration with global financial systems. It also signals a move toward the "Strategic Bitcoin Reserve" model where organizations and governments consider holding BTC as a core treasury asset for long-term stability.

The Lightning Network is a Layer 2 scaling solution designed to make Bitcoin transactions near-instant and extremely low-cost. It works by creating "payment channels" off the main blockchain, allowing users to conduct an unlimited number of transactions without clogging the base layer. Only the final settlement is recorded on the main Bitcoin ledger. This technology makes Bitcoin viable for daily micropayments, effectively transforming its role from "Digital Gold" into a functional global medium of exchange for everyday use.