What is the main purpose of Bitcoin?

The main purpose of Bitcoin is to provide a decentralized currency for peer-to-peer transactions. This means that Bitcoin allows individuals to send and receive payments directly to one another without the need for intermediaries like banks or payment processors. The decentralized nature of Bitcoin relies on blockchain technology, which records all transactions in a secure and transparent manner. This characteristic enhances privacy and reduces reliance on centralized authorities, which can impose fees or restrictions.

By enabling peer-to-peer transactions, Bitcoin empowers users with greater control over their finances and allows for quick and low-cost transactions across borders. This aspect of Bitcoin was revolutionary, as it aimed to re-establish the trust in financial transactions through a system that operates on principles of transparency and security, rather than through traditional financial institutions.

The other options do not accurately capture the essence of Bitcoin’s purpose. While some may see it as a potential replacement for traditional banking systems or a new form of debt security, these interpretations extend beyond Bitcoin's fundamental aim. Bitcoin's primary goal is to facilitate decentralized transactions rather than to completely overhaul the entire banking system or create new financial instruments, highlighting its focus on individual empowerment and direct commerce.