What is Blockchain? (Explained Like You’re 5)
Blockchain for Dummies.
By: Armar Josh
06/18/2025
Imagine This:
You and your friends in the village decide to start a small savings group (ekibiina). Every week, you each bring 10,000 UGX and one person keeps the notebook where all contributions and withdrawals are recorded.
But what if that one person:
- Loses the book?
- Changes numbers secretly?
- Disappears?
You’d all lose trust, right?
Now imagine this:
Instead of one notebook, everyone has a copy of the book, and every time someone makes a deposit or withdrawal, all books are updated at the same time.
- No one can change the record secretly.
- Everyone sees the same thing.
- Even if someone loses their copy, the rest still have it.
That’s blockchain.
So, What is a Blockchain?
A blockchain is a digital public record that is:
- Shared (many people can see it)
- Decentralized (no single owner)
- Immutable (you can’t change past entries)
It records transactions, like:
- Sending or receiving cryptocurrency (like Bitcoin)
- Owning digital assets (like land titles, music, or art)
- Even votes, contracts, and much more
Why Is This Important for Africa?
In places like Uganda, Kenya, and Nigeria, we’ve seen:
- Banking errors
- Land fraud
- Fake degrees
- Corruption
Blockchain offers a system where:
- Records can’t be secretly edited
- Power is shared, not held by a few
- People don’t need to trust middlemen—they trust the system
It’s not magic.
It’s math + code + transparency.
Is It the Same as Bitcoin?
No—but they’re connected.
- Blockchain is the technology
- Bitcoin is one use of it
Think of blockchain as the internet, and Bitcoin as email—just one thing it can do.
Real-Life Example in Uganda:
Let’s say the Ministry of Lands used blockchain:
- Every land title would be verified publicly.
- No officer could secretly change ownership.
- Every update would be recorded forever.
You wouldn’t need bribes, brokers, or fights over fake titles. That’s the power of blockchain.
Conclusion: Why You Should Care
Even if you never buy Bitcoin, blockchain is shaping the future of money, ID, voting, education, and business.
It’s not a scam.
It’s a tool.
Like any tool, it can be used wrongly—but when used right, it gives power back to the people.