What is the Metaverse? This question sounds abstract, but actually it's quite simple. I just looked back at the history of this concept and found that it has been around for a long time, even before the internet became widespread.

Actually, the word 'metaverse' first appeared in a science fiction novel called 'Snow Crash' in 1992. The author Neal Stephenson imagined a virtual world where people could interact with each other. The word 'meta' means 'beyond' and 'verse' means 'universe', so what is the metaverse? It is a parallel universe outside of our reality.

But why did it suddenly become popular? I think it’s related to the steps taken by tech giants. When Mark Zuckerberg announced that Facebook would rebrand as Meta, focusing on the metaverse, people started paying attention. Then Epic Games (the developer of Fortnite) raised $1 billion to turn the game into part of the metaverse. Since then, what is the metaverse is no longer a question for tech users but a hot topic across forums.

Simply put, the metaverse is a virtual world built from the internet, VR, AR, and other technologies. It allows you to live, work, play games, and trade in a fully digital space. Like in the movie 'Ready Player One', where people wear VR glasses and enter another world.

The interesting thing about the metaverse is that it has some quite fascinating features. First is sustainability — it operates continuously and keeps evolving. Second is immersion — experiences are almost realistic. Third is openness — you can join or leave anytime, and creativity has no limits. Most importantly, it has its own economic system, allowing you to accumulate and trade assets just like in the real world.

I see the metaverse built on four main layers. The first layer is the internet infrastructure. The second is the foundation — VR, AR devices, blockchain technology, AI, Big Data. The third is content — games, applications that enable interaction. The last layer is a complete metaverse when all these layers are sufficiently developed.

Currently, some games are close to the concept of the metaverse. Minecraft allows you to build your own world. GTA V in multiplayer mode enables interaction in an open world. Roblox supports VR and has an economic system. In the crypto space, Decentraland and The Sandbox allow players to own assets as NFTs and trade them. But in fact, these applications still have many limitations compared to a true metaverse concept.

Why has the metaverse become so popular? I think humans always have a desire to explore and push boundaries. We want to fly into space, discover distant places, but technology and finance are limiting. What is the metaverse if not a solution to these limits? Instead of waiting for real-world technology to develop enough, we can experience those things in a virtual world right now. Especially during the pandemic, the metaverse became an ideal place for people to interact.

The scale of the metaverse market is truly enormous. According to studies, the total global asset value reached $418.3 trillion by the end of 2020. The hardware sector for the metaverse (chips, VR, AR devices) reached about $862 billion with an annual growth rate of 9.4%. The content sector is estimated at around $170 billion. And as augmented reality technology becomes more widespread, this number could reach hundreds of trillions of dollars.

The metaverse isn’t just about entertainment. It can be applied in healthcare — doctors can research new treatment methods in virtual environments. In education, students can learn from top teachers worldwide. In military, manufacturing, and many other fields.

But why is blockchain important for the metaverse? I see current platforms like Google, Facebook, Fortnite, Roblox still have limitations. Users cannot transfer digital assets between different virtual worlds. Virtual items can be lost if companies change policies. Users don’t truly own their assets. This is where blockchain comes into play.

Blockchain offers scalability, interoperability between chains, true ownership via NFTs, and high security. DeFi (decentralized finance) provides a flexible economic system for the metaverse. With these advantages, blockchain is truly an ideal foundation for building a real metaverse.

To develop the metaverse in the crypto space, three main components are needed. First are optimized blockchain platforms like Solana, Mina, Avalanche, Polygon, Cosmos, NEAR, Flow, Theta — blockchains with high scalability, low fees, and fast speeds. Second are Dapps serving the metaverse — gaming platforms, DeFi, NFT projects. Third is cross-chain technology to connect different metaverse ecosystems.

But I must admit that the metaverse is still just a future concept. VR technology today is still quite expensive and not widely adopted. The VR market only reached about $22 billion in 2021, expected to grow to $70 billion by 2028 with an 18% annual growth rate. Current metaverse games like Sandbox, Decentraland still aren’t as compelling as traditional games.

This means if you want to invest in the metaverse, you should look for opportunities in underlying blockchain platforms, developing Dapps, and cross-chain tech. But be cautious, because the metaverse remains a relatively new concept. Instead of investing directly in metaverse projects, you might seek smaller 'waves' when tech giants announce metaverse initiatives. As infrastructure and content improve, what is the metaverse will no longer be a question but a reality.

In summary, the metaverse is a parallel world to reality, built from internet, VR, AR, and blockchain technologies. It holds the potential to grow into a trillion-dollar industry, but still needs more time and infrastructure to truly explode. With the participation of tech giants, blockchain is expected to play a key role in this development. If you’re interested in this space, follow blockchain platforms and metaverse Dapps on Gate to not miss potential opportunities.