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Crypto Beyond Bitcoin: Ethereum, Smart Contracts, and DeFi

Alternative Investments • Beginner Investing • 7 min

What this lesson is about

This platform's existing content covers Bitcoin's value proposition and stablecoins. This lesson covers the structurally different idea behind the crypto asset that isn't trying to be digital gold at all.

2 parts · a quick check after each · then the quiz

Part 1 of 2

This platform's lessons dive into Bitcoin's value and stablecoins. But treating "crypto" as a single category overlooks a key difference, best shown by Ethereum. It's the second-largest cryptocurrency by market value for most of its history. Bitcoin is often seen as "digital gold". It’s a scarce, transferable asset, valued for its fixed supply and broad recognition. It doesn’t run additional functions. Ethereum, however, was designed differently from the start. It’s a programmable blockchain platform, built to run code, not just to transfer value like Bitcoin.

The code on platforms like Ethereum is called a "smart contract". This is self-executing code that runs directly on the blockchain. It automatically carries out specific actions when certain conditions are met, without needing a traditional intermediary to enforce the agreement. This capability enables DeFi (decentralized finance), a wide range of financial applications like lending, borrowing, and trading. These are built using smart contracts with the goal of replicating traditional financial services without relying on centralized intermediaries like banks or brokerages.

Holding a pegThe peg holds because of the reserves, not because of the name.

Quick check

How does Ethereum's core value proposition differ structurally from Bitcoin's, as covered in this platform's existing Bitcoin lesson?

Part 2 of 2

Insider Angle: Let's be clear about a real risk that’s distinct from typical cryptocurrency price swings. Smart contract code can have bugs or vulnerabilities. Various DeFi applications have faced actual, documented losses of user funds throughout crypto's history when these vulnerabilities were found and exploited. This isn’t the same as “the price went down”. It’s a different kind of risk, similar to software security failures rather than market movement. A price-focused view of cryptocurrency can easily miss this. Understanding the difference between Bitcoin and Ethereum isn’t just trivia. It's crucial for evaluating what might go right or wrong with a specific crypto asset. A store-of-value asset like Bitcoin faces different risks, including adoption and regulatory issues, compared to a programmable platform token. Its value relies partly on the security and adoption of the applications built on it.
Try This: Look up a real, publicly documented DeFi security incident (a smart contract exploit that caused a loss of funds). What type of vulnerability was exploited? How does that risk differ from simple cryptocurrency price volatility?

Quick check

What is a "smart contract"?

Quiz

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