cryptoeducation

Each candle summarises one period with four numbers: where price opened, where it closed, and the highest and lowest it reached in between. The body spans open to close; the thin wicks reach out to the extremes.
Two candles can look identical in colour and mean opposite things. A small body with long wicks says price travelled a long way and ended near where it started - conflict. A large body with short wicks says one side controlled the whole period. Before any indicator, this is the information a chart is actually made of.
Binance Academy covers this in more depth: https://www.binance.com/en/academy/glossary/candlestick
Trading crypto from Dubai since 2019.
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Ever wondered why you need to pay a little extra when sending crypto, swapping tokens, or interacting with a smart contract?
That cost is commonly called a gas fee.
Think of blockchain like a busy digital highway. Every transaction needs network resources to be processed, verified, and recorded. Gas is the fee you pay for using those resources.
1. Gas Powers the Network
Blockchains need computers around the world to process and verify transactions.
When you pay a gas fee, part of that fee compensates the network for the computational work required to process your transaction.
Without these incentives, maintaining a decentralized network would be much harder.
2. Gas Pays for Computation
Not all blockchain transactions require the same amount of work.
A simple transfer may require relatively little computation, while interacting with a complex smart contract can require much more.
Generally, the more computational resources your transaction requires, the more gas it may consume.
3. Gas Helps Prevent Spam
Imagine if anyone could send millions of meaningless transactions to a blockchain for free.
The network could quickly become congested.
Gas introduces an economic cost, making it expensive to flood the network with unnecessary transactions or abuse its resources.
4. Gas Supports Decentralization
Blockchain resources are limited.
Gas helps create a market for those resources by requiring users to pay for the network capacity they consume. During busy periods, demand can increase and fees may rise.
This helps the network prioritize transactions while maintaining an open and decentralized system.
👦: So, Is Gas a “Tax”?👴: Not exactly.
Gas is better understood as a network usage fee. You're paying for the computational resources and network capacity required to execute your transaction.
And remember: gas fees are not always the same. They can vary depending on the blockchain, transaction type, network congestion, and other factors.
The Simple Way to Remember It:
No gas → no network resources.
No network resources → transactions can't be processed.
So the next time you see a gas fee, think of it like fuel for a blockchain transaction. ⛽
Learn | Be Safe | Keep Building 📊
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Whoever places a resting order adds liquidity to the book. Whoever fills it removes liquidity. Most venues charge these two sides differently, because one is doing the market a service and the other is consuming it.
This is the fee difference people notice without knowing its cause, and it is not arbitrary. A market order always consumes; a limit order that waits usually provides. So the choice between order types has a cost consequence beyond the price itself - one more reason the impatient route is rarely the cheap one.
Binance Academy covers this in more depth: https://www.binance.com/en/academy/glossary/taker
Trading crypto from Dubai since 2019.
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Liquidity is how much you can buy or sell without moving the price. A liquid market absorbs a large order quietly. An illiquid one lurches, because there simply is not enough resting interest to fill you near the last traded price.
That is why the quoted price of a thinly traded asset can be misleading. It tells you what the last small trade happened at, not what you could realistically transact. The number to look at is depth, not the last print.
Binance Academy covers this in more depth: https://www.binance.com/en/academy/glossary/liquidity
Trading crypto from Dubai since 2019.
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Disclosure: I hold no Terra coins (LUNA or LUNC).
I lost around 750 USDT on one coin, and it was my own fault.
The worst part? I bought it without checking anything.
LUNA (the old Terra) was a hero back then. Many people, including me, wanted it in their portfolio.
One morning in May 2022, I woke up and saw it at 3.5 USDT. I did not check the news. I did not ask why. I just bought around 350 USDT worth, fast.
Then I opened X and saw CZ's thread. He said some users kept buying LUNA without understanding the risk.
That was me. 👇
Source: CZ (@cz_binance) on X, May 13, 2022
So I started DCA to "save" my money. I kept buying while the supply kept growing and I saw no clear plan from the team. In my opinion, that silence was a red flag.
Later I looked at the burn mechanism and made a decision. I closed my position with a loss of around 750 USDT.
Here's my advice:
"It was a hero before" is not a reason to buy.
Check first, buy later. Five minutes of research could have saved me.
Buying more of a broken project is not a rescue plan. In my opinion, it only makes the loss bigger.
That day changed how I research. Now, before I trust any project, I check:
Supply: Can new tokens be minted? Who controls it?Holders: Do a few wallets own most of the supply?Liquidity: Can people sell without crashing the price?Team: Does the team respond when there is a problem?Real usage: Are people using it, or only talking about it?
None of these guarantees safety. But skipping them cost me.
I share these checks step by step, so you can learn the process too.
Every project is high risk, big names and micro caps both. I could be wrong, and I have been wrong before.
This is my personal opinion, not financial advice. Do your own research.
What is one mistake that taught you the most?
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