The best crypto to buy now depends on various factors such as market performance, utility, community, development team, security, compliance, and roadmap. Here are some of the top cryptocurrencies recommended by different sources:

1. Bitcoin (BTC): Known for its long-term stability and market dominance, Bitcoin is a popular choice for long-term holding and diversification.
2. Ethereum (ETH): As the leading blockchain for smart contracts, Ethereum is a strong choice for decentralized application development and has a large market capitalization.
3. Solana (SOL): With its high-performance blockchain platform, Solana is suitable for fast and low-cost transactions.
4. Cardano (ADA): As a leading Ethereum competitor, Cardano is known for its blockchain interoperability and has a strong community.
5. BNB (BNB): The native coin of the Binance ecosystem, BNB is useful for paying exchange fees and has a significant market capitalization.
6. Toncoin (TON): With its high year-to-date performance, Toncoin is a notable choice for those looking for strong returns.
7. Dogecoin (DOGE): As a popular meme coin, Dogecoin is known for its online gambling utility and has a large market capitalization.

It is essential to consider your investment goals, risk tolerance, and market conditions before choosing a cryptocurrency to invest in. Additionally, it is recommended to store your coins safely using a hardware wallet and to keep track of market trends and performance.

The question of whether cryptocurrency is halal (permissible) or haram (forbidden) under Islamic law is a topic of ongoing debate among scholars and experts. Here are the main points from the sources:

Reasons Why Crypto Might Be Considered Haram:

1. High-Risk Investment: Cryptocurrencies are known for their volatility, which can lead to significant financial losses, similar to gambling, which is banned in Islam.
2. Lack of Regulation: Cryptocurrencies are not regulated by governments or financial bodies, which raises concerns about their legitimacy and potential for illegal activities.
3. Non-Tangible Nature: Cryptocurrencies are not physical assets, which contradicts the Islamic principle of having a physical commodity or asset underlying financial transactions.
4. Potential for Illegal Activities: Cryptocurrencies can facilitate money laundering, drug money, and other illegal transactions due to their anonymity.
5. Speculative Nature: Cryptocurrencies are often used for speculation, which is seen as akin to gambling.

Reasons Why Crypto Might Be Considered Halal:

1. Potential for High Returns: Cryptocurrencies offer the possibility of high returns on investments.
2. Accessibility: Cryptocurrencies can be accessed globally, 24/7, and offer secure transactions due to blockchain technology.
3. No Interest (Riba): Cryptocurrencies do not generate interest, which is forbidden in Islam.
4. Digital Asset: Some scholars view cryptocurrencies as digital assets, which can be used as a medium of exchange under specific conditions.

Scholarly Opinions:

• Mufti Taqi Usmani: Trading in cryptocurrency is haram due to its speculative nature and lack of approval by legitimate bodies.
• Mufti Shawki Allam: Trading in cryptocurrency is haram because it is not approved by legitimate bodies and can facilitate illegal activities.
• Directorate of Religious Affairs, Turkey: Cryptocurrency trading is not appropriate due to speculation, illegal activities, and lack of state auditing.
• Mufti Faraz Adam: Many crypto assets are permissible as they provide lawful utility within their ecosystems.

In summary, while some scholars consider cryptocurrency haram due to its speculative nature, lack of regulation, and potential for illegal activities, others see it as halal if used responsibly and without participating in illegal activities. The debate continues, and individual Muslims should seek guidance from knowledgeable scholars to make informed decisions about crypto investments.

The basic knowledge of cryptocurrency includes the following key points:

1. Definition: Cryptocurrency is a digital or virtual currency that uses cryptography for security and operates independently without the need for central banks or trusted third parties.

2. Decentralized System: Cryptocurrencies use a decentralized system, typically a blockchain, to record transactions and issue new units. This ensures that transactions are immutable and secure.

3. Security: Cryptocurrencies use advanced encryption to secure transactions and control the creation of new units. This makes them difficult to counterfeit.

4. Types: There are many types of cryptocurrencies, with Bitcoin being the first and most well-known. Other popular ones include Ethereum, Litecoin, and Ripple.

5. Creation: New units of cryptocurrency are created through a process called mining, which involves solving complex mathematical problems to verify transactions on the blockchain.

6. Storage: Cryptocurrencies are stored in digital wallets, which can be software, cloud-based, or on mobile devices. These wallets hold encryption keys that confirm the user's identity and link to their cryptocurrency.

7. Risks: Cryptocurrencies are known for their volatility and are uninsured. They can be hacked, and if the wallet is lost, the entire investment can be lost.

8. Benefits: Cryptocurrencies offer low transaction costs, fast international transactions, and the ability to make transactions at any time without the need for documentation or paperwork.

9. Usage: Cryptocurrencies can be used to purchase various digital and physical items, including domain names, gift cards, software, electronics, furniture, artwork, and clothing.

Overall, understanding these fundamental aspects of cryptocurrency provides a solid foundation for exploring its applications and potential in the digital economy.

The biggest issue in cryptocurrency is the lack of security and the potential for theft and fraud. This includes the risks associated with storing private keys, the vulnerability of exchanges to hacking, and the lack of regulatory oversight in many countries. Additionally, the pseudonymous nature of transactions makes it difficult for tax authorities to track and collect taxes, leading to potential revenue losses for governments.

The Dubai Court of First Instance has recognized cryptocurrency as a valid form of salary payment in employment contracts. This landmark ruling marks a significant shift in the UAE's legal approach to digital currencies, reflecting growing acceptance of crypto. The court ordered payment in cryptocurrency without conversion to fiat currency, setting a positive precedent for integrating crypto in the UAE's financial and legal systems.