How do Bitcoin and Ethereum differ in how they record balances? Many people can't explain it clearly!
With Ethereum externally owned accounts, the nonce increases by 1 with each transaction. Transactions must be executed in nonce order, and each nonce can only take effect once.
In the UTXO model, unrelated transactions can be verified in parallel, and using a new address to receive change can also help protect privacy. The tradeoff is that writing complex contracts is less convenient.
When you hear claims of stable, high returns, be skeptical.
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