₿ BITCOIN· 21,000,000 MAX SUPPLY· 🟠 SOUND MONEY· 🔐 NOT YOUR KEYS, NOT YOUR COINS· ⚡ LIGHTNING NETWORK· 📈 STACK SATS DAILY· 🌍 BORDERLESS & PERMISSIONLESS· ₿ BITCOIN· 21,000,000 MAX SUPPLY· 🟠 SOUND MONEY· 🔐 NOT YOUR KEYS, NOT YOUR COINS· ⚡ LIGHTNING NETWORK· 📈 STACK SATS DAILY· 🌍 BORDERLESS & PERMISSIONLESS·

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Bitcoin
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Calculators, guides, and analysis to help you understand Bitcoin, project your financial future, and make the case for sound money.

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Your Bitcoin Toolkit

Calculators, education, analysis, and a full 21-lesson course — 100% free, no signup required.

🔆
Education
Why Bitcoin?
The foundational case for Bitcoin — why it exists, what problem it solves, and why it matters to you.
Read more →
📈
Calculator
Retire Early Calculator
Model your path to early retirement using Bitcoin. See your timeline and projected portfolio value.
Run the numbers →
🏠
Calculator
Landlord Calculator
Is your rental property actually making you money? Model real returns vs. stacking Bitcoin instead.
Calculate →
⏱️
Tool
Time Currency
Convert prices into hours of your life. Discover the true cost of things measured in your most valuable asset — time.
Explore →
🪙
Calculator
DCA Calculator
Dollar-cost averaging into Bitcoin. See how consistent small buys compound into serious wealth over time.
Start DCA →
⚖️
Comparison
Real Estate VS Bitcoin
Side-by-side comparison of real estate investment vs. Bitcoin over time. Which builds more wealth?
Compare →
👶
Calculator
Bitcoin For Kids 18 Fund
What if you started stacking Bitcoin for your child at birth? See what they'd have by age 18.
Plan ahead →
📊
Simulator
Lump Sum vs DCA Simulator
All at once, or spread out over time? Compare lump sum vs. DCA vs. hybrid strategies head-to-head.
Simulate →
👕
Shop
Bitcoin Shirts for Sale
Wear your conviction. Browse Bitcoin-themed shirts and represent the orange revolution wherever you go.
Shop →
🏆
Education
Why Bitcoin Wins
The deeper case — network effects, monetary history, and the fundamental reasons Bitcoin outcompetes everything.
Learn why →
💥
Analysis
Bitcoin Supply Shock
What happens when demand rises but supply is fixed at 21 million? Explore the mechanics of scarcity-driven price discovery.
Explore →
⚡
Education
Unstoppable Network
Why Bitcoin can't be shut down, censored, or controlled — and why that changes everything about money.
Read more →
💎
Education
Intrinsic Value
Does Bitcoin have intrinsic value? A deep dive into what gives money value — and where Bitcoin fits in.
Explore →
🥇
Analysis
Bitcoin vs Gold
The ultimate money showdown. Scarcity, portability, verifiability, confiscation resistance — which wins the next 30 years?
Read the case →
⚡
Education
The Bitcoin Halving
Every ~4 years, Bitcoin's new supply cuts in half. What is the halving, why does it happen, and what does history say follows?
Learn more →
₿
Shop
Bitcoin Keychain
The original SATOSHI KEY — hard enamel, zinc alloy, 38mm. Carry your conviction wherever you go.
Shop now →
🚀
Calculator
Escape Velocity
Find the point where your Bitcoin portfolio generates more than you spend — the moment you achieve true financial freedom.
Calculate →
🌐
Education
The Bitcoin Network
Nodes, miners, satellites, forks, and the gossip protocol. How thousands of computers worldwide keep Bitcoin alive — and unkillable.
Explore the network →
⛓️
Education
The Bitcoin Timechain
Blocks, UTXOs, mempool, SHA-256, cryptographic signatures, Merkle trees — how every transaction is permanently sealed into the chain of time.
Dive deep →
🔒
Security
Cold Storage Vault
Not your keys, not your coins. Hot wallets, hardware wallets, seed phrases (12 vs 24), the 25th word passphrase, and multisig vaults — the complete self-custody guide.
Secure your Bitcoin →
📈
Chart · Interactive
Power Law Prediction Scale
Giovanni Santostasi's Bitcoin power law corridor — 15 years of holding. Slide to any date, see where the model says Bitcoin should be, and find out if today is cheap or expensive.
Explore the corridor →
✝
History · Viral
The FUD Graveyard
400+ times experts declared Bitcoin dead. Every single one was wrong. Walk through the tombstones — with the price Bitcoin was at when they said it and what it's worth now.
Pay your respects →
⚙️
Game · Interactive
Bitcoin Mining Simulator
Pick your hardware. Set your electricity rate. Compete against the entire network. The halving hits mid-game — can your margins survive? Real S9 / S19 / S21 XP specs, real economics.
Start mining →
⏱️
Live Tracker
The 21 Million Clock
Watch Bitcoin's supply tick up in real time. Blocks mined, BTC remaining, halving countdown, market cap live, and the estimated date of the final satoshi. One page, one obsession.
Watch the clock →
📚 21 Lessons
Course
The Bitcoin Course — 21 Lessons
Learn Bitcoin from first principles. What is money? Why does scarcity matter? How does mining work? How do you hold your own keys? Twenty-one structured lessons — from money's origins to self-custody — free, no signup.
Start Lesson 1 →

Welcome to
SATOLOGY

Your hub for Bitcoin education, calculators, and financial tools. Our mission: give everyone the knowledge and numbers they need to understand why Bitcoin matters and what it means for their financial future.


New to Bitcoin? Start with the 21-lesson course. Already stacking? Run the retirement calculator and see your timeline.


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