The below are some pros of cryptocurrency:

No scope for frauds, scams, or declined payments.
All payments are 100% encrypted, so they can never leak, nor can anyone check your payment information.
You can securely and immediately transfer cryptocurrency ownership without any fees, hassles, or paperwork.
The cons of cryptocurrency include the following:

Banks or government entities do not regulate the cryptocurrency market, which means there is scope for illegal activities.
The losses associated with cryptocurrencies are significantly higher since there is no ownership or authority. You cannot reach out to a company to file a claim for technical errors. You cannot file reports against anyone in case of losses.
The cryptocurrency market is unpredictable and highly volatile. You should not invest unless you are well-versed with it. You need an aggressive risk appetite, excellent research and analysis skills and should be prepared for all kinds of volatile situations.

Anyone interested in crypto for beginners should know the following:

Cryptocurrency, generally referred to as crypto, is a type of payment, which can circulate without a central monetary authority like a bank or government. It is a digital asset comprising highly encrypted and secure online transactions.
Unlike traditional currencies, crypto is decentralised and is typically finite in number. It is sometimes equated to precious metals, including gold and silver.
This currency is typically created through mining involving a complex problem-solving process usually solved by powerful computers. Essentially, when you exchange cryptocurrency, more of it is introduced in the world.
Most cryptocurrencies use blockchain technology to manage and record transactions.
There are over 10,000 listed cryptocurrencies with a total worth exceeding $1.7 trillion, with Bitcoin being the largest traded cryptocurrency in terms of market capitalisation, followed by Ethereum and Tether.

A stock portfolio will include multiple stocks. Sometimes, some stocks will perform exceedingly well, while some will not. The portfolio return will be the result of performing and non-performing stocks.

In the bull market, the portfolio will give attractive returns (the benchmark index Nifty gave a return of ~67% from April 01,2020 till December 18,2020. However, during a bad market- the returns can be as low as 1-2% or market returns can also be negative.

The individual should avoid investing in stocks having low liquidity. The low liquidity makes it hard to trade in these stocks. Additionally, finding the data for analysing these companies might be hard as information on public platforms is generally not easily available. Thus, lack of research may result in loss-making investments. Additionally, one should also avoid investing in penny stocks.

Small-cap companies have the potential to grow faster compared to bluechip companies. There can be a number of hidden gems in the small-cap industry that are yet not discovered by the market. On the other hand, large-cap companies have already proved their potential to the market.

Besides, the quality of stock is more important than the size of the company. There are a number of large-cap companies which has consistently given good returns to their shareholders. Overall, investing in small caps can be more profitable than large caps only if the fundamentals and future prospects of the business look promising.