A blockchain is a shared digital ledger where data is grouped into blocks. Each block links to the previous one using cryptography. This structure makes it difficult to alter older records without detection.
No, our course does not require you to own any crypto. You can learn about bitcoin’s design without acquiring or using it. All examples are purely educational.
The self-paced course typically takes 20–30 hours to finish. You can spread this over weeks or months depending on your schedule. Each crypto module includes estimated completion times.
Yes, we start from the very basics of what a hash function is. The course assumes no prior knowledge of crypto or programming. You will gradually build understanding through repeated blockchain examples.
We provide a completion badge that acknowledges your study of blockchain fundamentals. This badge describes the topics you covered, including bitcoin mechanics. It is not a formal accreditation but serves as a learning milestone.