02. 🧠 What is a smart contract and how does it work in Ethereum?

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📢 #Gate Square Writing Contest Phase 1# is now officially launched!
Share your unique insights on the CROSS project and stand a chance to win $500 worth of CROSS rewards!
💰 Rewards:
1st Prize (1 winner): $150 worth of CROSS
2nd Prize (3 winners): $50 worth of CROSS each
3rd Prize (10 winners): $20 worth of CROSS each
👉 How to Participate:
1. Publish your unique insights on the CROSS project in Gate Square.
2. Add the tag #Gate Square Writing Contest Phase 1# to your post (minimum of 300 words).
3. Share your article or insights on X with the tags: Gate Square & CROSS.
Essay Content Directio

🎉 #Gate xStocks Trading Share# Posting Event Is Ongoing!
📝 Share your trading experience on Gate Square to unlock $1,000 rewards!
🎁 5 top Square creators * $100 Futures Voucher
🎉 Share your post on X – Top 10 posts by views * extra $50
How to Participate:
1️⃣ Follow Gate_Square
2️⃣ Make an original post (at least 20 words) with #Gate xStocks Trading Share#
3️⃣ If you share on Twitter, submit post link here: https://www.gate.com/questionnaire/6854
Note: You may submit the form multiple times. More posts, higher chances to win!
📅 End at: July 9, 16:00 UTC
Show off your trading on Gate Squ

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