> For the complete documentation index, see [llms.txt](https://hub.bsvblockchain.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hub.bsvblockchain.org/higher-learning/bsv-academy/bsv-basics-protocol-and-design/coins-and-transactions-bitcoin-protocol-and-design/takeaways.md).

# Takeaways

1. **BSV (Bitcoin Satoshi Vision)** operates on a fixed supply of **21 million coins**, ensuring scarcity and value retention. Coins are further divisible into **100 million units** called **satoshis**.
2. The **mining process** introduces coins into the BSV ecosystem, incentivizing network participation. Miners validate transactions by solving **hash puzzles**, securing the network while earning rewards through **block subsidies**.
3. The **block subsidy** currently stands at **3.125 coins per block** and undergoes **halving** approximately every four years. This mechanism controls the introduction of new coins, promoting long-term sustainability.
4. The **Difficulty Adjustment Algorithm** ensures fair mining by adjusting puzzle difficulty every **2016 blocks**. This maintains predictable block times and enhances network security as more nodes join.
5. The BSV blockchain emphasizes **low transaction fees** to support a high-volume digital cash model. As the block subsidy diminishes, miners will increasingly rely on **transaction fees** for income, ensuring network efficiency.


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