Various high-level nouns in the currency circle may sound confusing, but these seemingly professional things are actually very simple.

The vernacular will help you clarify the so-called "high-level"

What does L2 mean?

The first layer of the two-layer network is the original network, such as the BTC network and the ETH network, but now they are too slow and backward and cannot handle so much data. What should I do?
The blockchain cannot be easily tampered with, so a new chain is created, the data is processed on the new chain and then packaged and sent to the original chain. This new chain is L2, which does not modify the original chain and processes the data of the original chain, saving handling fees. That’s all.

What is NFT?
It is a small picture that can be bought and sold online. The token is written on a piece of picture information and becomes a token in the form of a picture. It is an NFT. It is more convenient to trade and record airdrop information.

What does defi mean?
Decentralized finance is just a financial transaction completely on the chain.
To put it bluntly, many transactions that were previously conducted within the exchange APP (buying, selling, staking, contracts) became defi after they were completely moved to the chain.

What is meta?
Metaverse, what is the Metaverse? Have you ever played The Sims? It’s almost the same thing. The difference is that the Sims transforms into the metaverse when you connect virtual coins.

web3
The third generation of the Internet, which sounds very high-end, is an Internet product that can pay dividends and make money. Although 90% of the current web3 products cannot make money.

What is the inscription?
The smallest unit of Bitcoin is Satoshi. One Bitcoin can be divided into up to 100 million Satoshis (units). Writing something in each Satoshi will become an inscription on the pie.

What does depin mean?
To put it bluntly, a decentralized physical network is just a blockchain network composed of offline devices that can be connected to the Internet.
The concept sounds very new, but it actually means the same thing as Bitcoin node mining. Maybe Bitcoin uses a mining machine, and you just use a mobile phone.

What are RWAs?
My understanding of real-world assets is projects linked to physical objects, but I estimate that most of these physical objects are imaginary or created.

What is a meme?
Emotional coins and dogecoins are coins without any technology or innovation. They rely entirely on buying and selling and relying on emotional output. Their characteristics are that they are cheap, but their disadvantage is that they return to zero quickly.

What is cex?
exchange

What is dex?
On-chain exchanges various exchanges

What is gamefi?
It’s a game on the chain, but I think whether a game is fun or not has nothing to do with whether it’s on the chain.

Blockchain 3.0-cutting leeks 3.0

In fact, it doesn’t matter what these things are. What’s important is that more and more people will play them in the future.