
The blockchain trilemma posits you can optimize only 2 of decentralization, security, and scalability
Image: Jeremy Kemp (moved from en:Image:Chicago bot.jpg on the English Wikipedia). en:Image:Chicago bot.jpg, Public domain, via Wikimedia Commons
The blockchain trilemma posits you can optimize only 2 of decentralization, security, and scalability
Blockchain
Ever wondered how bank transactions are kept safe?
a 51% attack is
A 51% attack involves controlling over half of the mining power to manipulate the blockchain
Proof of work
Miners solve puzzles to validate Bitcoin transactions
Smart contract
Smart contracts execute automatically on the blockchain
CAP theorem
Can you always access your favorite online photo album from anywhere?
Proof of stake
Validators lock ETH as collateral to verify blocks
Educational content, not financial advice.
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