This is the strongest CoinJoin mixing service on the internet. Samourai Wallet Whirlpool breaks the links of the past history of your coins from their future activity.
Whirlpool is built into the Samourai Wallet , Samourai Wallet Whirlpool is built by privacy activists dedicated to building privacy software that silicon valley will not build, the regulators will never allow, and the VC’s will never invest in.
Samourai Wallet is open source and parts of the code is open to the public.
Samourai Wallet Whirlpool FAQ
Is Samourai Wallet custodial?
Samourai Wallet is a free and open source (FOSS), non custodial bitcoin wallet software.
The complete documentation is available here.