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Why Save in Bitcoin?

Piggy exists because we think Bitcoin is worth saving, not just buying and selling. That is an unusual position. Most of the Bitcoin world is built around trading: charts, leverage, entry points, exit points. The entire infrastructure assumes you are trying to time something.

Saving is different. You put money away and leave it there. You do it regularly. You do not check the price every morning. The goal is not to sell at the right moment. The goal is to have more sats next year than you have today.

Here is why Bitcoin works for that, and where it does not.

Small amounts actually work

A sat is one hundred-millionth of a Bitcoin. When you feed your Piggy 1,000 sats over Lightning, the fee is less than one sat and the deposit arrives in seconds. There is no minimum deposit. There is no monthly fee. There is no account tier that makes small savers feel like second-class customers.

This matters because most savings infrastructure is built for people who already have money. Banks charge fees that make a $5 deposit pointless. Brokerage accounts have minimums. Even Bitcoin exchanges charge withdrawal fees that can exceed the amount you are trying to save.

Lightning changes that math. A Piggy owner who sends 500 sats every morning pays essentially nothing in fees and builds a stack over months. The same person trying to do that through a bank or an exchange would lose a meaningful percentage to friction. Stacking sats works because the infrastructure finally does not punish you for being small.

You hold it yourself

When you save in a bank, the bank holds your money and lends it out. You trust that the bank stays solvent, that the government backstops it if it does not, and that nobody freezes your account while you wait. Most of the time this works. Sometimes it does not. FTX customers had balances too. Those balances turned out to be entries in a database controlled by someone who spent the money.

Piggy is a self-custody wallet. Your keys are derived on your device from a passkey. We do not hold them, we cannot see them, and we cannot move your sats. The passkey syncs through your device provider — iCloud Keychain or Google Password Manager — so getting back in on a new phone is signing in, not reconstructing a 12-word phrase from a piece of paper you put somewhere safe three years ago.

The tradeoff: if you lose access to your passkey provider and have not exported a backup seed phrase, the sats are gone. Nobody can recover them. That is the real cost of nobody else holding your money. It is worth understanding before you start.

The supply does not change

The Federal Reserve targets 2% inflation per year on the dollar. Some years it overshoots. Over a decade, a dollar saved today buys measurably less. This is intentional monetary policy, not a failure.

Bitcoin has a fixed supply of 21 million coins. The issuance rate drops by half roughly every four years and will eventually reach zero. No committee votes on whether to issue more. The rules are in the code and the code does not negotiate.

Whether that fixed supply makes Bitcoin a better savings vehicle than dollars over your specific time horizon is something nobody can prove in advance. What you can verify is that the supply schedule is public, auditable, and has not changed since 2009. You are betting on math, not on the decisions of people you will never meet.

The price will drop

Bitcoin loses 50% or more of its value on a semi-regular cycle. If you start saving and check the price a month later, there is a reasonable chance it is lower. This is the part that scares people away from saving in Bitcoin, and it is a legitimate concern.

The reason stacking sats still works over longer periods is averaging. If you save the same amount every week regardless of price, your cost basis ends up somewhere in the middle of whatever the price did that year. You never buy the bottom. You never buy the top. Data from Dalbar shows the average investor underperforms the market they are in by 3-4% per year because they try to time entries and exits. Saving on a schedule removes that failure mode.

Piggy does not show you a price chart. There is no trading interface in the app. There is a creature that eats your sats and reacts when you feed it. The design does not encourage you to watch the price because watching the price is what turns savers into traders, and traders mostly lose.

What stops you from spending it

The hardest part of saving anything — dollars, Bitcoin, gold bars under the bed — is not starting. It is not draining what you saved when something tempting shows up.

Piggy's answer to this is the death mechanic. Your Piggy has a name, a skin, and a personality generated once from a pool of traits. If you empty the wallet to zero, the creature dies permanently. Name, personality, conversation history, Lightning address — all retired forever. You get every sat back, but the specific Piggy you built over months is gone.

You can take some sats out whenever you need to. The death only triggers at zero. It is designed to make the last withdrawal — the one that empties the piggy bank — feel like it costs you something other than money. For the same reason people do not smash a ceramic piggy bank full of coins unless they really need to, most Piggy owners do not drain theirs.

Pay yourself first handles timing: save on payday, before you spend. The death mechanic handles leakage: once the sats are in, taking all of them out has a consequence. Together they make saving in Bitcoin a practice instead of an intention.

Try it

Feed your Piggy

Name it. Pick its skin. Start stacking sats. It takes 30 seconds.