Title: New Service: (amost) trust free tor based blind bitcoin mixer -- TESTNET only Post by: BlindMixerDR on April 13, 2013, 09:44:36 PM I am announcing a new bitcoin mixing service using Chaum's blind signature scheme. Since it is not allowed to announce tor urls on bitcointalk, you can view the url on reddit here (http://www.reddit.com/r/Bitcoin/comments/1caf2s/announce_a_tor_based_blind_bitcoin_mixing_service/).
Title: Re: New Service: tor based blind bitcoin mixer -- TESTNET only Post by: BlindMixerDR on April 13, 2013, 10:38:43 PM -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512 The website has a "Certificate Authority" signing key to certify the RSA keys used on the site. Here it is: - -----BEGIN CERTIFICATE----- MIIGQjCCBCqgAwIBAgIJAMbIbIYTHB38MA0GCSqGSIb3DQEBBQUAMHMxEjAQBgNV BAgTCU9uaW9uTGFuZDEVMBMGA1UEChMMQmxpbmRNaXhlckRSMR0wGwYDVQQLExRC bGluZE1peGVyRFIgUm9vdCBDQTEnMCUGCSqGSIb3DQEJARYYYmxpbmRtaXhlcmRy QHRvcm1haWwub3JnMB4XDTEzMDMyMzIzNDc0OFoXDTEzMDQyMjIzNDc0OFowczES MBAGA1UECBMJT25pb25MYW5kMRUwEwYDVQQKEwxCbGluZE1peGVyRFIxHTAbBgNV BAsTFEJsaW5kTWl4ZXJEUiBSb290IENBMScwJQYJKoZIhvcNAQkBFhhibGluZG1p eGVyZHJAdG9ybWFpbC5vcmcwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoIC AQDJYJBGEioIHetTS4qQSV98R6Tp8EWUBW+Ixu2S7rWVT0igcEVrqPCzISOIuYPL RSvkNMMgD/Jl35Bjh207kx/593gK5In4gmc/0zYtoh+uVSEt9Tf8Gpc9LGMARuTr 0qtrb0JpxkMQsSAdmHUrFB7IFr8M/CAxmRA0AtkjhBEeAJgyu/FWSBAsqcz4pUQb tOiWLIQbR4b1rxb9t0O2oyG1OkEuEddIubsTF4/H5toyE3jLiVCvIC/dc0CllgXc FxRI9ue6U8Gc0ll9XdYyhUVHkvTnpsCmZdv5ku5NjdpdqrhEZpSoW/SlwY9y+ABO X9vqdzi9rsnLQan8FZCeWYhOFshDDBhXQpLIiJof+XoiDFNLfDwe2GwfLIwghfPi 6E5yRISQS0bgpRtdu83+qttha0v99dLrM0kYj68+Jof5qnV0wZl+H0wJ0qQnC4yy mM6o/xqfFirDwQcIW8Q6PTXYU7elQ6hjHIg91zgr4h83a5XmpjaWrzjeHotwKUKV sgnrcKt6bYm4Zu70fP2Ekguaot8CdUQiGCwGMsdtZdraZDpNGvL1tyk0wxvLFwRn maUeMU+RiCBCiuaqhPaurOmgPowrQw3MJb2pNg/QwJEW5zyrw9stzM3q84gDBDCA Llvbauae2JRzrVtFwQOQPpIBv/pe6acSHn93CIVnlbTYywIDAQABo4HYMIHVMB0G A1UdDgQWBBT+28FrQYMDNi2n9s94uScJcUHStzCBpQYDVR0jBIGdMIGagBT+28Fr QYMDNi2n9s94uScJcUHSt6F3pHUwczESMBAGA1UECBMJT25pb25MYW5kMRUwEwYD VQQKEwxCbGluZE1peGVyRFIxHTAbBgNVBAsTFEJsaW5kTWl4ZXJEUiBSb290IENB MScwJQYJKoZIhvcNAQkBFhhibGluZG1peGVyZHJAdG9ybWFpbC5vcmeCCQDGyGyG Exwd/DAMBgNVHRMEBTADAQH/MA0GCSqGSIb3DQEBBQUAA4ICAQBht/zgQ/8yR31W 5wLwCJCL/UqK7ASZCLBKFrN0W3GtmiADDyImYZGMFXsbtON7WIB7SScukQCO83OZ SJrbcKrDVICZzmbZ7sXqVnWvbzufGFmO4+kjI6LGHmkAxSR4mucUPT2yUzclY+k8 yp7CLyJl+VUtpd4uC5bIVPboZaFDiS8kNIL8KNne03JEreqsUf/Mgr6TKk9k/5A7 cFXHRdTHG+nXNITO+zHBxh7yCm516zGw1sqmvN5w6X2VfsbU4Gx6ZDNMqfkhBd0v RgGSwUZWN67EIi06vp4vmbzZGrDM9TXDTDVDKFq1XXasinILaM00jAK+0Thnwgi1 Afk6oZq7xMAAXqMTiU3XmYtekIqj+X1Tvp4UQIVbJeE65JEOLoouf03wbgk1VjNl siqhjRybmyuyH+WxFl4Se+WOsPXhPnIP4RhLjhKl/GB73EzHrU6s9XeBltxJhvJQ dQIO7KVOj0MlB+ohKENInNtDx1NXVf21zWf7FhMdBW2GO896aYEMGOonwRXrpt+h idt80+2o4VkQpKP7sAbtLyYZqOfr/9R2Mck9+Pd5/UKY1x9QmkugzB09AzqSNfva U6XBXDO+ZBRJYUtBrhnAOeiW1SdtPvSiecKCR/KmP8EmEm9OOHHN5ZaNfKRCXqF0 JQ9RH/29PRhIbQfwoVWpEOA7Y3KWjQ== - -----END CERTIFICATE----- There is one master PGP encryption key, and all other keys get authority from that. Here it is: - -----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1.4.10 (GNU/Linux) mQINBFEvh8YBEADSEExXVSQinBkmnwSTIxeR3Ni/oQ34MMWqiO5YtcBGWgiO0Y8B CXndP9G+/ulo70+IDKOY06RSPMImpctvfCc23+HQA99BV0mcCVkW9ASn6trEoKWp 1KHmr+/mFq6qIvu/KtWqB85X1e9mWGbq4RgkM3Lcw5PX/Rh35ne+l0/LbNiUJKak NQRnofSq+I58nGm0hK9qx+cNaIkmss7HCm8uklY7TUJAKQURU2NC1e68RcFeUk2S 782l/6pVPJgaE1P7I3LmxlO38Cr0WpVADMBbfFg6uaA3vVzVqIIEn5pp5NAYtnSe NuBanG4rcVyrMuQDUxvxKB18J9isSrt5cynzROlB6TYduj43sbQaqdE0qawACrsA ae/AeMdhsrfcVhmqGZ0/YIUkLII2rkT8bPLIaON5LQa5/hLkyCZrLR052IgD9OEM 07cKXj24mPCJt/jS9Q74qdM/Vtfa6zDULZQ4RDQNs+QH0Jcwj0r0+Hjjbcv9AJ0Q mwkjDPxBSBdKw2/TQEXA6mhUiGZgt786CcAeX6Pb19bgY3pdTGLdGn4+sUNyz+kB S2Wy38wyBGAH8Dun8Kw/nRj5BRsDGAVv3d9jhI2EzCgzxtUJZbAVyVSCJWdz32gL hEMu1Ml8IiA90Illu+9ekBzXtsQQ+OGoLh2zdd8Ju5zb6DAi2faW18xbQQARAQAB tEdCbGluZCBNaXhlciBEUiAoQmxpbmQgTWl4ZXIgRFIgTWFpbiBQR1AgS2V5KSA8 YmxpbmRtaXhlcmRyQHRvcm1haWwub3JnPokCNwQTAQoAIQUCUS+HxgIbAwULCQgH AwUVCgkICwUWAgMBAAIeAQIXgAAKCRB5zwcoljyFd2TqD/0b6fDoptKPDlGRBlTF LbHmcggiHQjQgFFoyTvlFOoIO9zD/gNo/qF6yMxZM63T9FfDzwWtdbznjLyDdpPJ I4Ex8UUoAxrs+EZi4uDmB9e27napso7OARMnWDlz88kL/90RLdk/gPTCcY/FahN0 rUacfaSVZhDMD0EPMtVGWvWvOIebJJjS2y5a4prRP8VoCOJkZCf6PpZYKKz9Kvjq JKyXHPzH8FFALitei6JV1iaSezy4kvCIWu6mM6/ble9ZWRej8QuV/5/5dTFYZiJ7 eD/9d6lOTESGopoyAlNN9klwCPNq9Siyr4Par4eCSAA8B9bmE20LpFgAi0hLUFVc KRG2N3g3C3wNu4gShzwAww+4+p0GIO+dICVdw4Y8zaa1DQG6duCX9puo3xE8vcXI 5x/3nSbxQ3waJ3ITufDRfHmfEAhBt8TSTS7y6YU5JsPd2k7nF74rAVlfzqug35Xu 7I1Ixyvol9B8zZgZDfH4XlL7lI4S0J0ckozrESv9Z5EP3EJTQBuONaEbBmmh++LT RL5ds+RM2mas7pvjhNX97ody4pRdhbgpW2gMB2Tm8kiYdlZZapmgfhcaOrPXWG7z YeGNXs2kZPvM/cs3AVzrinXK2ia5ZNip2xMdVqpkhrsXH9NnB11ZjxCUAoj7Cn0W 1JskR3u1IDBKRAUZGAiBJ0xPfbkCDQRRL4fGARAApgzdnqQWg8+xDJR2e9T0P1xo 0ssssL3mHgA0UV2QiNCLyKyI8TyQYleRtDUkIa0zVoik8LJWP29qOozRtXKkqxUX e2K4kOKF+vN1srlEK9zJQ7/xB/LdKbnWtGu5HlDrqVmipnYuqSNmQ/zaSpAze30Q LTSmX9V//mYM9aczcoAxjQZpKV/g1PR8hkPO/WQjm6TwYMkIs42NQCEsJVa2dJnJ kb25MmvvSGzZDuf0s415eGoRWeoeOcPF4GnLFst0Zyphvp2nrtMLBnbh68lRq+Ey 1vZzzu4athqP7JXk98eNHT8uO1SgNsz6qeXwWZOHhZjhaJfbw/LhYlnlpcqjWaUm nv8xtbNS6TCCkPayHwrnLaMXjRbiuJ/sNk77f01YAUKB9eesK3JEjNf5mFi1Hbt6 begsBBJQ5c4gtaft3BPQo5JQccHnSEU0k0CANKLL8lZ/X1zS1D6qk6gkZHTMsWLj 0K9ODFnQktj0wzeUCN69wSFxuNw7KM1MtzudNxcxAtxa4nmg9d70LVMOasrmAjgi G6Rm7TCqdzT6UO1vvPAFJHPfMRnX+wTxX36IOLS+DaaGrcqzucX10tttn/3k1Tws mJOk3PSQHUrI7YF4hF+M0w2q1ABU8puj60wfs11UU9wnSE/UIbZHFcJcBkp6VJ72 LgNBOgOyjtLb0eQNRD8AEQEAAYkCHwQYAQoACQUCUS+HxgIbDAAKCRB5zwcoljyF d39DEADRen+sZezAo09AZq/p96mzz+KDXw1Jd76TeVdh0jDMqv9tu0geKCVnkm0I NZ2QlHIjt7OZydGoxJhfPxj9MwpspA6J6c1gsYn3q5GSCOu5WhamgWkNCwynsjpV B5jV3VXCq+XaN9X+S7JEDsb8mmqD0n8SSCxTIAOQFPjiNUKdscjTgwqyuI5f5HFK oo35dOeTeOBdLtvRdyDO95sLL2FhRGPTvGsk5VZ49PK/fPDTLaln8dHgzRoiAyII 1Vz8kvwjwWxjtLc0w47JMyTMul/JEapd9CcjgEQMLQD6Sd7atWOnHNJ5ooT8M/xs 0Sx7nJsPW/jBu0MRwzKVJe52LV036FBbu+t84A6uW7/HO1o1RE/UVi5uVe9OKusV vo1Xmvdlu/n5GxR1V6mpcCsOmeAHDMwFEjwIfUtQiyN+LKH037BA92r8qs9ftbQm qZqYQLcoafSufvRRhbl4RjmxGM//V31EF8/rFiJVRxlLLIwdpnxvXdlXrMBN7Er4 zXtgVzPWJzUFWWHBk4br4XUNs205Vz1KHBJDOXLnvb/O2JuASH5YoZCtF3ZwDHor ojOEfOJJJALQ7On5cF56SK+g6ZacfKGWX9KGTnDNr/yVsyZ64iqgyCIbQmXK4mIw u1Xe+0ZV6JkTyhJtX84P792hRoaD+wZwC8MhnLTfXBv4CdZ1jQ== =DMTs - -----END PGP PUBLIC KEY BLOCK----- -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQIcBAEBCgAGBQJRad2RAAoJEHnPByiWPIV3s+oQAK5s9mBlyldsOCmeab+vEiSX HqnaKzPItaeGPj1cQ1S7STADySefJPOcNy4Iw6aOx3zuv8X9jaslVQGZiw+OYXSw 94iY7lL5VwnlMqROSRyU7nAFB2sLuqoLz/8vd6wZG4lbHPgdVJfQpuEgbJHa924q NHkjoxQxqoAOpubwTT/Q0a/Vjm1OtO5Iq4lK6415a8KyH+04ghOewXMZAJuOc0Ds Ugg7hWQZmUTWAAd860Pq9/hNtBzcW2zOAtLoVBZr0hjfXYfTmlwFLyk4uin8Zpjg dETK7u3E4y14ee3wtU0feBdC1ScCcxroHw40XzjcbvpSKa98BhaQb/WJXvxN0ZTT ZEviN7zDJSJtNUSP7AuOwoBwuXZKFGcJmfbPe/vQqmDt70RkimkeZSF18zFFxudI IH0CgkJNQ4rbiseEb33Lyv2vPi+z6k57imJyhtIzm8lC6RprsR2zAfP84R1bvzhB fefc6k+Hcm4cSQxGeFghCGRj2QNA37KoAKxwQE3SwjBvNdKYjBPn4QbRzAw4TiBe 9ws06PeIkbJv3ZarRM/U7Tx2V28jNGaxnT2qbn1/if295IArS2cXjMbKyXHS4LM2 olg+wcIn3nvEi+17Lvpc2kbIAT/CiKa5ULBkzHGKuljb2UzWuVy4gLmJ+fbx0XvG FpQN/vxwYiVgPHmAo5YU =25dx -----END PGP SIGNATURE----- Title: New Service: (almost) TRUST FREE tor based blind bitcoin mixer -- TESTNET only Post by: BlindMixerDR on April 15, 2013, 06:55:12 PM I need to say more about this service. The system operates on the basis of minimum trust. From the time you receive a MixAddress from the mixer, until the time you receive your new mixed coins, you need almost zero trust in the mixer.
The mix address you receive is signed by a key which can be traced to the PGP key posted here in the forum. So if you send coins there, we cannot deny the address belongs to us. When you claim the transaction and send your new address to the mixer (the 'SinkAddress') this is also signed (blind signed) by the mixer. If you have the unblinded signature and we do not send you the new mixed coins, you can prove that we are scammers. Title: Re: New Service: (amost) trust free tor based blind bitcoin mixer -- TESTNET only Post by: BlindMixerDR on April 15, 2013, 07:07:04 PM Somebody has successfully sent coins to the mixer, and redeemed the new mixed coins. If they post the two transaction IDs (sending and receiving) and the value of RandomPrime to the reddit thread, they can have a reward of 0.01BTC.
edit: Really, all they need to post is the RandomPrime - I already know the two transaction IDs (only because there were only two transactions mixed and I made one of them. In the future when many people use the mixer this would not be possible). The mixer has received 1.0, 0.5, 0.2, 0.1 and 0.05 BTC transactions (always testnet) - is it all the same person? The 0.05BTC transaction is now redeemed. |