Blockchain, from zero
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A beginner's field guide ·
Part 1 · 00–04
Part 2 · 05–07
Part 3 · 08–09
00
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✕
✓
Demo
🏦
⛓️
Note
💡
01
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Demo
…
Demo
02
💡
🤔
✕
✓
Demo
Proof of Work
Proof of Stake
💡
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03
💡
🤔
✕
✓
Demo
Alice → Bob
0.5 ◎
✓
🔑
🌍
Demo
⚠️
1.4200
◎
04
💡
Demo
✉️
high
Demo
Status
✓
From
0x7a3f…9c21
To
0xb04e…12dd
Amount
0.25 ◎
Fee
0.00042 ◎
Block
#19,482,013
💡
05
💡
Demo
NFT
DeFi
DAO
🤔
✕
✓
💡
06
💡
Game
Q1 / 5
⚠️
$17B
+
01
02
03
💡
07
💡
Demo
0xb04e7a…f2
19
c
Ethereum
0.5 ◎
Compare
🏦
🔐
Demo
±70%
±18%
±8%
🧾
🤔
✕
✓
①
②
③
🌍
💡
08
💡
🧪
💴
Demo
🧑💼
🧑💻
🏢
💡
09
🕓
Glossary
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