No, let's get into serious projects on Solana instead of buying SOL (coins).
Solana has recently peaked in capitalization and has an RSI divergence. One point of note is that Solana's mainnet crashed for 12 hours because there were too many transactions happening. That's also what I was thinking when looking at this project. The way to sort data recursively with 'Proof of History' is the weak point of the project, blockchain will get heavier and heavier. It is very difficult to operate a node on Solana because the data size is too large. System hardware often cannot guarantee the operation of such a node.
Solana's ecosystem has raised big money, so let's focus on new projects on Solana instead of SOL.

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Matic is the best choice before Ethereum 2.0 is fully launched. Money is flowing into Matic through fundraising to promote DEFI projects. We are seeing projects that have started moving to develop on this blockchain.
With such a clear trend, I have faith that Matic will develop its ecosystem strongly and the value of Matic coin will also increase.

The success of BSC is to solve the problem of low cost and high speed, everything on BSC is copied from Ethereum.  It can be said that BSC is an upgrade of Ethereum, but decentralization is not.

Cardano is a different blockchain with a different way of building code than Ethereum.  As far as I know Cardano is also creating jargon like Ethereum.  Cardano's community may be strong and drive the value of Cardano's tokens and ADA coins, but certainly the depth and breadth of development will hardly surpass Ethereum.

Solana is in the period of the highest peak of the Parabolic and shows signs of negative divergence on RSI.  Confirmed bearish sign, Solana price could rise further but not the time to buy.  To buy in a safe zone, you need to wait for the correction to happen and buy at the Fibonacci price zones.

Bitcoin bullishness is in vogue and the momentum of the bitcoin market going to be what people hoard the most in the future. Companies are buying Bitcoin, even El Salvador has bought itself hundreds of Bitcoins.
Haha, maybe we're Gollum right now or Thorin drowning in a treasure trove of gold. I think they just hold their Bitcoins during an uptrend. They will have to sell off Bitcoin to buy it back at a lower price. I like this trading idea more than trying to hold Bitcoin for years.

NFT is actively supporting blockchain games and it's really exciting. Everyone wants to win the game, they have to have the strongest items encrypted with NFT.
I see a few ideas for creating real estate exchanges using NFT. Each plot of land is encrypted with NFT. It is quite specific and highly applicable.

My English looks so bad. The good sign is that more vaccines are being produced.


WHO warns us to live with the epidemic like a seasonal flu. That means we may have to get vaccinated and treated for covid every year.

The pandemic continues, new variants are created, the death toll is still increasing, which is a good sign that more vaccines are being created. We have to live with the epidemic because there is no other way. It may take a few more years for the epidemic to be completely reversed. The pandemic forces us to change people's living habits. Change or die.

The reason for the increased transaction costs is the increased demand for transactions and the price of BNB. Despite the price increase, it is still lower than the cost on Ethereum. Right now, the strong bear market of the past 12 hours has made the transaction costs on Ethereum too high. $500 per smart contract call is too high, it's ridiculous.

I'm waiting to see how they will help developers in creating DAPPs. What I don't like about this project is that they are deliberately creating jargon, like how Ethereum did. It takes time for developers to re-code programming languages. We have available, powerful and popular languages like C, Java, Python... so creating a lingo only hinders the programmer's work and things get more complicated as they arise errors in the blockchain.

Selling everything is a good strategy, but how do you know a bull run is over? The market is still moving and it is difficult to know when the market will reverse. Many units sold out in February and May this year. We can never predict exactly what the market will do, so the only way is to liquidate each cryptocurrency you hold when their value reaches a good price to sell. No one can swallow a wave.

Bitcoin is a new, secure, time-limited and global currency. It has a stock-to-flow economic model, so the value of Bitcoin will increase over time. It is a great money-making opportunity when investing in Bitcoin. The truth is that Bitcoin has increased millions of times since it was born and it continues to increase in price.

The more people know about Bitcoin, the more people use Bitcoin as a payment or investment Bitcoin. I agree that Bitcoin's popularity has increased over time.
Currently, young people have participated in investing in Bitcoin more and even companies and investment institutions have joined this market. I believe the rise in Bitcoin price during this bull cycle is due in no small part to the companies.

According to the disciplines listed above, you will have diverse working environments with blockchain such as legal consultant, blockchain architect, programmer...
If you want to be wildly successful in the blockchain, you will have to become a really talented person, or you just barely make a living. I think that bringing blockchain into all aspects of life is quite difficult and only a few businesses will take on that job.

The world is crazy about crypto, if these courses are useful and in high demand, surely in the next twenty years, job opportunities will be extremely bright for those who pursue these fields.
If they have burning programs it would be better because the tuition fees of these majors are quite expensive. At least for now, when the pandemic is happening, the advantage of homeschooling is saving a lot of living costs. If possible, I look forward to online training.

If they put Bitcoin in payment that would also be good, but they will lose significant transaction fees from deposit transactions. It is currently best for them to use Bitcoin and their national currency in tandem. Bitcoin currency will help them escape the sanctions of NATO countries and the US. Their national currency can be a CBDC that they develop themselves. A fledgling country should be economically self-sufficient and control its own currency.

The trend of crypto adoption is growing and increasing. Many businesses are adding cryptocurrencies to their portfolio of business assets in recent times.
Bitcoin miners are gradually using renewable energy sources for Bitcoin mining. Bitcoin production will become cleaner and meet environmental standards as TESLA has argued.
I think TESLA will soon accept Bitcoin again so as not to fall behind the competitors. TESLA is not only a technology company but they are also a financial empire.

NFT is getting hot because of the DAPPs and the demand surrounding its application. NFT brings artistic and applied value in play to earn games.
I think NFT is just a trend in crypto. We cannot know where crypto will be applied in the future because crypto can be applied to many areas of the economy, social life...
Currently, NFT and the game 'play to earn' are the closest things to life.

The projects that I think will grow in the long term in terms of blockchain scale and value are blockchain platforms that allow smart contract implementation. In the list that OP gave I noticed that Polygon, Cardano, Ethereum, Tronix, Polkadot and Binance Smart chain are projects that allow DAPPs to build on their blockchain.
DEFI will bring more locked assets to these blockchains and increase their value. On the other hand, developers and users using blockchain also bring about circulation and exchange. That is the real value of a blockchain.