Question: Can I earn for free using Telegram or do I need investing?

Answer: Some apps offer you to earn for free. Some require you to invest something, but usually they scam afterall and disappear with your invested money. It happens because of two things: weak project economics (Ponzi scheme or financial pyramid in other words) and absence of any sort of responsibility (welcome to WEB3).

Question: What is cryptowallet address?

Answer: It is combination of symbols, representing your wallet unique identifier. You receive your cryptofunds via sharing this ID with sender.

Question: What is cryptowallet secret/backup phrase?

Answer: It is really something secret. NEVER share this one with anyone. Store these words securely and offline. Because anyone who knows your secret phrase has access to your wallet and funds. Secret phrase is used like seeding words combination to generate your wallet primary ID.

Question: What is memo field you see when sending tokens?

Answer: Just a textual note for your recipient. Though this note might be very important for some exchanges or bots, because software automatically does its internal job according to memo you provide (it can be your ID in some system or something else). In such cases if you place wrong memo your funds will be lost, careful!

Question: What is different between custodial/non-custodial wallets?

Answer: Main difference is about the degree of control of your wallet. Custodial wallets require no secret phrase, it is stored on the side of your custody/provider. Thus you can get easily blocked for no reason (or for some reason). While having non-custodial wallet means your full responsibility for storing your secret phrase safely as it is primary key for accessing your funds. But no one can block your funds anyhow.

Question: What are crypto networks and currencies (tokens)?

Answer: Long story short: networks define how transactions between wallets work (protocol), while currencies are tokens that are implemented over these protocols. It means following:

• Currency/token can represent similar identity in different networks (can have same ticker like $USDT for example, and have the same value over multiple networks)
• Sending single type of currency through different networks will lead to permament loss of funds! That is because network protocols are different, despite the same identity of a currency/token.

Question: How to not get scammed in Telegram mini-apps world?

Answer: For more details, please refer to this article "How to not get scammed"