Why “fat SATS”?
A satoshi (or “sat”) is the smallest unit of Bitcoin. Limited supply, infinite potential.
For thousands of years we searched for the perfect way to store and exchange value. We finally found it.
What's a sat? A satoshi (sat) is the smallest unit of Bitcoin. There are 100,000,000 sats in one Bitcoin.
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Have you ever really thought about what money actually is?
Since the beginning of critical thought, we’ve asked: how do I exchange value with another person?
That idea traveled through millennia - stuck onto shells, coins, gold, paper. Beyond bartering, the object was never what gave it value. The agreement between people was.
We no longer need those physical constraints. We can carry this idea into the digital world.
But digital money always had one problem: how do you stop someone from copying and spending the same money twice - without putting a bank in charge? Every attempt before Bitcoin needed somebody in the middle keeping the books.
In 2009, that problem was solved. Bitcoin proved that a network of complete strangers can agree on the truth - without trusting anyone. No bank. No company. Just math. That’s what made truly independent digital money possible for the first time.
They removed the gold and kept the paper.
Before 1971, the dollar was tied to gold at $35 per ounce. That peg was the promise that gave the paper its value.
On August 15, 1971, Nixon broke that promise overnight. If they’d pulled this back when people originally traded their gold for paper certificates, there would have been panic in the streets. But by 1971, most people had never held the gold themselves - so nobody blinked.
Once the gold was gone, the printing never stopped.
When Nixon closed the gold window in 1971, there was about $685 billion in circulation. Today there’s over $21.8 trillion. That’s over 30× more dollars - created out of thin air. No cap. No vote. They just print.
More dollars chasing the same stuff = each one is worth less.
The debt they’re racking up? That’s your money losing value.
In 1971 when the gold standard ended, the national debt was $400 billion. By 2000 it was $5.6 trillion. Today it’s over $38.94 trillion - and climbing every second.
When the government spends more than it has, it borrows - and the way it pays that back is by printing more dollars. Every new dollar dilutes the ones in your pocket.
1971 - $0.4T · 2000 - $5.6T · Now - $36.96T
It took 29 years to add $5 trillion - then just 25 more to pile on another $31 trillion. The amount of debt being added is accelerating.
Same hundred bucks, way less food.
In 1971, $100 at the grocery store filled multiple bags - roughly 50+ items. By 2000 it was down to about 30. Today? 12.
50+ items → 30 items → 12 items. The dollars didn’t shrink - they just buy less and less. And it started accelerating the moment the gold was gone.
You’re working longer for less.
In 1971, a median home cost about 2.5× the median household income. By 2000 it was 3×. Today it’s 5.6×. That pattern shows up across every major cost of life:
Your time is being stolen quietly. The gold standard kept things in check. Once it was gone, the erosion accelerated.
Why not just go back to gold?
Gold is scarce and valuable - but try buying a loaf of bread with it. You can’t shave flakes off a bar at the checkout line. To actually use gold as money, you have to hand it to someone else - a bank, a vault, a government - and trust them to hold it for you.
The moment you do, you don’t have gold anymore. You have a piece of paper that says someone has your gold. Can you verify it’s there? Can you audit the vault? You’re trusting a third party - and all you really have is their word.
When there’s a gap between what you’re told and what you can verify - that gap gets exploited. Every time. That’s exactly what happened in 1971.
Shells, coins, gold, paper - every time we trust someone else to manage our money, the system eventually gets corrupted. We need something we control collectively.
So what should money actually be?
We know what it shouldn’t be - infinite, controlled by people who print whenever they want.
Real money should be:
Where can something like that exist? In the digital world. A space where imagination meets reality - where the idea of money can exist in its purest form.
Technology gets better and cheaper every year - phones, TVs, computers. Nobody stops buying them because next year’s model will be cheaper. You still buy what you need when you need it. The difference is your savings actually grow in purchasing power instead of silently melting away. “Deflation is bad” only makes sense in a system built on debt that requires constant inflation to survive - which is exactly the system we’re questioning.
That money is Bitcoin.
No printers. No middlemen. A fixed supply secured by math, owned by the people who hold it. Something that truly represents the idea of money.
Preserve your effort through time.
All you need is a phone and curiosity.
A satoshi (or “sat”) is the smallest unit of Bitcoin - there are 100 million in one Bitcoin. You don’t need a whole coin. Every sat counts.
1. Pick a platform - low fees, recurring buys, easy withdrawal.
2. Verify your identity - government ID, takes minutes.
3. Buy sats - start small, set up automatic buys.
4. Move to your wallet - a wallet is an app or device that holds your Bitcoin. Think of an exchange like a bank - convenient, but they hold your coins for you. A personal wallet puts you in full control. No company in the middle, no one who can freeze your account or go bankrupt with your money.
Exchanges can get hacked, shut down, or freeze withdrawals. Self-custody means your Bitcoin lives with you - not on someone else’s server.
5. Protect your seed phrase - 12 or 24 words. Paper or metal. Never digital. Never share.
When you set up a wallet, it generates a set of 12 or 24 random words. This is your seed phrase - think of it as the master password to your Bitcoin. Anyone who has these words has your Bitcoin. There’s no “forgot password.” There’s no customer support. It’s just you and those words.
A single grain of sand has about 50 quintillion atoms. Earth has roughly 7.5 quintillion grains of sand. Multiply those together and you get the atoms in all the sand on the entire planet - a number with 38 digits.
Now take every atom in the observable universe - every star, every planet, every speck of dust. That’s a number with about 80 digits.
A 24-word seed phrase has 2256 possible combinations - a number with 77 digits. That’s roughly the number of atoms in the universe. Guessing your seed phrase is like picking one specific atom out of everything that exists. It’s not just unlikely - it’s physically impossible.
Want to go deeper? Here’s how Bitcoin works under the hood.
Mining - Miners solve puzzles to confirm transactions. They earn 3.125 BTC per block. Real electricity = real security. Miners seek the cheapest energy on earth - often power that would otherwise go to waste: flared gas, stranded hydro, excess renewables. This actually helps keep energy costs down for everyone else.
The Halving - Every ~4 years, the block reward gets cut in half. Nobody can change it. Here’s the full schedule:
Over 95% of all Bitcoin that will ever exist has already been mined. The rest will be released slowly over the next 114 years. Every halving makes new supply scarcer.
After the last sat - Around 2140, the final sat will be mined and the block reward drops to zero. But the network doesn’t stop. Miners keep running - they just earn transaction fees instead. Every Bitcoin transaction already includes a small fee, and as Bitcoin grows in value and adoption, those fees become more than enough incentive. This isn’t a cliff - it’s a gradual shift that’s been built into the design from day one.
Lightning Network - Layer 2 for instant, nearly-free payments. Like a bar tab - order all night, settle once.
Wallets - Hot (phone, convenient) vs Cold (hardware, safest). If nobody knows your keys, your Bitcoin dies with you. Plan ahead.
DCA - Dollar cost averaging. Set amount, regular schedule. Zero stress.
Common questions
The basic explanation above gets the idea across, but how does any of this actually work under the hood? What’s the puzzle made of? What does a hash even look like? How does the network agree on anything without a leader? Here’s the deeper explanation, piece by piece.
Where transactions wait. When you send Bitcoin, your transaction enters a waiting pool called the mempool - short for “memory pool.” It’s a holding area in every Bitcoin node’s memory where unconfirmed transactions sit, waiting to be included in the next block. Every miner has their own copy of the mempool. Think of it like a restaurant’s order ticket rail: orders come in faster than they can be cooked, so they pile up until a miner grabs a batch.
A node is just a computer running Bitcoin’s software. It can be a laptop in someone’s closet, a Raspberry Pi the size of a deck of cards, or a server in a data center - the hardware doesn’t matter. What matters is the software. Anyone in the world can run one. Today there are tens of thousands of nodes spread across every continent.
Each node holds its own complete copy of the entire Bitcoin blockchain - every transaction ever made since 2009. They constantly talk to each other, sharing new transactions and new blocks the moment they appear. When a miner finds a winning hash, the new block ripples across the global network in seconds, with each node independently verifying it’s legit before passing it along. This is why nobody can lie to the network. Even if a malicious miner tries to broadcast a fake block, every honest node will check the math, see it doesn’t add up, and reject it. There’s no central server to hack, no single point of failure - just thousands of independent computers all enforcing the same rules.
Nodes also reject any transaction that breaks the rules - like trying to spend coins you don’t own, or trying to create coins out of thin air. The rules are baked into the software. To change them, every node would have to update willingly. That’s why Bitcoin can’t be controlled by any government, company, or individual: it would mean convincing tens of thousands of independent operators worldwide to all agree at once. Miners produce blocks. Nodes enforce the rules. Two different jobs, both essential.
What miners are building. Miners pull transactions from the mempool (usually prioritizing the ones with higher fees) and bundle them into a candidate block - a draft of what the next block in the chain could look like. Every miner is building their own slightly different candidate block at any given moment, all racing to be the one whose block gets accepted.
What hashing actually is. A hash function takes any input - a single word, a paragraph, an entire library of books, a block of Bitcoin transactions - and produces a fixed-length string of letters and numbers. Bitcoin uses one called SHA-256, which always outputs exactly 64 characters. Hash “hello” and you get one specific 64-character output. Change a single letter to “Hello” and the output looks completely different. There’s no pattern, no way to predict it, no way to reverse it. The only way to find out what an input hashes to is to actually run it through the function.
The puzzle in detail. Each block has a small field called a nonce - short for “number used once.” It’s a slot where miners can write any whole number from 0 to about 4 billion. Think of it as a combination lock dial: the rest of the block (the transactions, the timestamp, the previous block’s hash) is fixed, but miners can spin this one dial freely. They take all the block data, plug in a nonce, run it through SHA-256, and check the result against the target - a number written in the same 64-character format as a hash. If their hash, read as a number, is smaller than the target, they win. If not, they change the nonce and try again. And again. And again.
How the target shrinks over time. It’s a continuously moving ceiling. Every 2,016 blocks (about two weeks), the network does math: how long did those blocks actually take? Faster than two weeks → multiply the target to make it smaller (harder). Slower → make it bigger (easier). The adjustment can move by any amount the math demands, up to 4× in either direction per cycle. Visually, a winning hash today looks something like 000000000000000000abc123def... - that’s 19+ leading zeros. Out of every possible 64-character hash, only an unimaginably tiny slice qualifies, and that slice gets smaller every time the network speeds up.
How miners know they won. The moment they hash and see the result, their machine compares it to the target. If it’s smaller, they won - in microseconds. The proof is the hash itself. There’s no judge, no answer key, no waiting. Anyone in the world can confirm the answer in less than a millisecond by running the same hash once and checking.
The hardware. Modern mining machines are ASICs (Application-Specific Integrated Circuits) - computers built for this single purpose. They can’t browse the web, run a game, or do anything else. Their entire chip design is dedicated to performing SHA-256 hashes as fast as physically possible. Today’s top ASICs perform hundreds of trillions of hashes per second. There’s no clever trick - just brute force at unimaginable speed.
What it would actually take to cheat. Say someone wants to reverse a Bitcoin transaction they made 10 blocks ago - to spend the same coins twice. Here’s what they’d be up against:
First, they’d have to build a fake version of every block from the targeted one onward. Each fake block needs its own valid nonce - solving the same puzzle the rest of the network solved, but with their alternate transaction history baked in. Each block requires quadrillions of guesses on top-of-the-line hardware.
Second, while they’re slogging through that work, the honest network is building forward at full speed. Every 10 minutes, the real chain grows by one more block. The cheater isn’t just trying to catch up - they have to overtake the entire global network of miners. The only way to do that is to control more raw computing power than every other miner combined - what’s called a 51% attack.
Third, the cost. Bitcoin’s mining network currently runs on roughly 700+ exahashes per second of computing power. To match that, you’d need to manufacture and deploy more ASIC hardware than exists in the world today, build power infrastructure to run it (gigawatts of electricity), and burn that energy continuously. Estimates put the cost of mounting a sustained 51% attack at tens of billions of dollars in hardware alone, plus millions of dollars per hour in electricity.
Fourth, even if they pulled it off, they’d destroy the very thing they’re attacking. The moment the network detects the attack, Bitcoin’s price would crash. Their stolen coins, the mining hardware they bought, and any Bitcoin they own would all become nearly worthless. They’d spend tens of billions to steal a fraction of that. It’s economically self-defeating.
And it gets worse for the cheater: nodes around the world would still see both versions of the chain. They’d follow the longest valid one - and recovering from the fork would require the cheater to maintain their majority control forever, not just for a moment. The economics, the math, and the game theory all stack against them.
This is why Bitcoin is secure without anyone being in charge. The system doesn’t need to trust anyone - it just needs the math to be expensive to break. Real electricity = real security.
That’s the journey.
Money is an idea. Bitcoin is that idea, realized.
A system for the person holding the money - not the person controlling the printer.
Preserve your effort through time.
Built with conviction. Supported by sats.
Not financial, tax, or legal advice. Do your own research.