ChipMixer is a Bitcoin mixer.


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General Questions

How does deposit work?

ChipMixer creates Bitcoin addresses and funds them with specific sizes. These are chips with 0.001 BTC, 0.002 BTC, 0.004 BTC and so on till 8.192 BTC. When you deposit your Bitcoins, you receive same amount in chips.
For example you deposit 0.112 BTC and you receive 0.064 + 0.032 + 0.016 chips. Each chip was funded before your deposit, so there is no link between them and your deposit on blockchain. They are already anonymous.

Minimum deposit is 0.001 BTC - lowest chip size. If you deposit less then you have to deposit missing amount to receive a chip.
Second minimum deposit is 0.002 BTC. If you deposit between 0.001 and 0.002 BTC you will receive only 1 mBTC chip and rest will be autodonated.

If you deposit 0.1234 BTC (123.4 mBTC) you will receive 123 mBTC chips. 0.4 mBTC will be autodonated.

Are you using Segwit now?

Yes, Segwit usage is over 70% which makes non-Segwit inputs less common.

Deposit addresses are now Segwit bech32.

New chips are Segwit bech32 but you may still get some old chips.

What can I do with chips?

You can split big chip into two small ones ie. 0.064 BTC chip into two 0.032 BTC chips.

You can merge two small same-sized chips into big one ie. two 0.032 BTC chips into 0.064 BTC chip.

You can bet a chip to either receive twice as big one or receive nothing. Chance to receive big chip is around 47% and is provably fair.

You can donate a chip to pay for our service. If you only have big chips, you can split them before donating.

Finally, you can withdraw a chip or all chips. This will reveal their private keys you can import into your Bitcoin wallet.

Why should I use split/merge function?

To add random element into mix. Let’s say you’ve sent 0.52 BTC You have received one 0.512 BTC chip and one 0.008 BTC. Blockchain analysis can prove that one of 0.512 BTC chips originating from here is yours. Since you can use split/merge, nobody knows if you’ve withdrawn big or small chips. It is not required to use, but existence of this option increases your privacy.

Why should I use donate function?

Donate allows you to change possible output value. Even if blockchain analysis may assume you will receive permutation of chips, they cannot predict how much you’ve donated. As with split / merge, you don’t have to use it - existence of this option increases your privacy.

What fee do you take? How much does it cost?

We use Pay what you want as pricing strategy. It mean you set how much value our service is to you.

You may split chips into size you wish to donate.