In an ICO, tokens are distributed to investors in exchange for cryptocurrencies or fiat money, typically through a public sale event.

Smart contracts automate token distribution by executing predefined rules and conditions, ensuring transparent and secure transactions on the blockchain.

Token distribution methods include ICOs, airdrops, token swaps, staking rewards, mining, and more.

Participation methods vary but commonly involve registering on the project's platform, following specific guidelines, and often using cryptocurrencies to acquire tokens.

Risks include regulatory uncertainties, market volatility, security vulnerabilities, and potential scams.

Airdrops involve distributing tokens for free to a wide audience, while token sales or ICOs typically involve purchasing tokens.

Yes, depending on the blockchain network, gas fees or transaction costs may apply when receiving tokens.