Key Takeaways DeFi (decentralized finance) rebuilds banking as software — smart contracts on blockchains like Ethereum let anyone lend, borrow, trade, and earn without a bank. No accounts, no KYC,…
Key Takeaways You can buy crypto with a credit or debit card at most major exchanges — it is the fastest on-ramp for beginners. Credit cards usually classify crypto purchases…
Key Takeaways Proof of Work (PoW) secures the network with electricity and mining hardware; Proof of Stake (PoS) secures it with staked tokens as collateral. PoW costs more to attack…
Key Takeaways A seed phrase is a list of 12 or 24 words that can regenerate all the keys in your wallet — it is the master backup. Anyone with…
Key Takeaways Hot wallets are connected to the internet (mobile, browser, desktop); cold wallets are offline devices that sign transactions internally. Use a hot wallet for small, active balances and…
Key Takeaways A crypto wallet stores your private keys, not the coins themselves — losing the keys means losing access. Software wallets (mobile/desktop/browser) are fast to set up and best…
Key Takeaways Cryptocurrency is digital money secured by cryptography and run on decentralized networks called blockchains. It lets you send value online without a bank, and prices are driven by…
