Due to the adjustment of the company's development strategy, CloverPool (formerly BTC.com) has started anew and has been fully updated to a new brand and new domain name to continue to provide high-quality services to our customers.
USD($)English
Transaction Hash
20482d3cf49b13de6fa8eb3be512aea0ea3724e2622a91f0461c3e524e59f6dd
Summary
Height
878,125
Confirmations
17,989
Timestamp
2025-01-06 20:54:41
Size (rawtx)
6,515 Bytes
Virtual Size
6,353 Bytes
Weight
25,412
Status
Confirmed
Input
0.71181984 BTC
Output
0.71159748 BTC
Sigops
190
Fees
0.00022236 BTC
Fees Rate(BTC/kVB)
0.00003500 BTC
Other Explorers
BLOCKCHAIR
Transaction
Input (2)0.71181984 BTC
Output (193)0.71159748 BTC
17,989 Confirmations
Input Scripts
P2WPKH_V0
(witness)
304402200b165b489c2f07a54a22238ccce04b18247690cfa4841fc2ca9255708a791a2302202d55665f7a574ab61e28a79531e11f62d56746eee9da51960fcafadb94ce18db01
038428d2ff2b2f1e9ad6fa6c6e1b45c4bf3b4ec6870110d2f9312d401c58523620
P2WPKH_V0
(witness)
304402205c18a9efecda82735a99a284a21f3ecd9ad6b6c473f286ca60429704e19c65fe02204d16ce9f66d95ed78983e3578addd144b972a25ac67be73bb3adfda237da7f9101
02298af20da5d84782cc0059d49901a2fac908f2a024a4052b6ebd854d4dc9d571
Output Scripts
P2SH
OP_HASH160 d005dfaa5967ade022b88b47d8ffe7bb2ac58955 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 8bce8afa100d1263945fab596de23815464a67cc OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 0ac5b6c5a72e1aa8549f04d353d24de907444ebd OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 c80eea7862692826aaa042aaa64a4eefc67d62b2
P2WPKH_V0
OP_0 5eaad04d2b354f4dcbf94c0fc8c2f1344c3c7a7d
P2PKH
OP_DUP OP_HASH160 57281fb75fb3154523997c4add3772b513ce0235 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 618edc7f1622bb886cae60d475ad8794537842a2
P2WPKH_V0
OP_0 55d3708a31481abd80c01454b0e37c51bb0e38d9
P2WPKH_V0
OP_0 0c28abe040bc5e2cf957c75120a495707f436892
P2WPKH_V0
OP_0 2472f9bcd740c45b1ca9845201abd7347e6fb480
P2WPKH_V0
OP_0 229edb3ec10b1c7e552083c536cb17feca5f4c0e
P2SH
OP_HASH160 30c810ba7ba804624544beec7c1687bae90a9de3 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 863b026ac1704699fa5b26f127f2cf80bd8af6d2 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 ca0918f2235e776f5023e3cfa1a5452da86edeaa OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 476381efa2b8f0a9fd4601b17477cf5bf2c0c224
P2WPKH_V0
OP_0 9e7c9a98568b8031e6b3c857718eb611031b366a
P2PKH
OP_DUP OP_HASH160 5cd36cadf11eb0c30560953f2890f64cbe6cf886 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 103c7882b543173a253392f57302adecc6f64e2c
P2PKH
OP_DUP OP_HASH160 acebf2767a3632c1522454b44e9a5ec8048eaf9c OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 4920d54ecbf35ecf9929d93e780f5ba7067f321d
P2WPKH_V0
OP_0 9ddb7411600aea76d373c2391a02a68921740576
P2WPKH_V0
OP_0 72ac4f2c717c189ad5a3645671eb139214f6a641
P2WPKH_V0
OP_0 47cce9513c64886074c4fc4de3e528c11625e9ed
P2WPKH_V0
OP_0 2faf89597df0576d018e77fefd68eedbf4906cae
P2WPKH_V0
OP_0 ceeafc0f3b00cf2853cd2285aa6ea0bf0d11eabd
P2PKH
OP_DUP OP_HASH160 063279c8a8bd026adb20147181ec5d7784568a50 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 e5892778af7d87a6b026f543c20671fa5345cf71
P2SH
OP_HASH160 f0a4ac7c49bcd1dea39c8b6d9f6c4c25574e2c61 OP_EQUAL
P2WPKH_V0
OP_0 33bd8fa0466167c236cf7732d907d016981a1613
P2PKH
OP_DUP OP_HASH160 2f77b15dd8fe9fcacca9acd82602065fd5a07537 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 5c4a817c3e2b0d8a504661fe429cc92b077e79d7 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 455454d9c848cecd12336f868e6d2858f89db69f OP_EQUAL
P2WPKH_V0
OP_0 cd5b7aa3d330247eeaa261af21a28fd3283ab295
P2WPKH_V0
OP_0 1a4cb3633df98c50ddb82f9dc4e4d2e0b04f27e3
P2WPKH_V0
OP_0 d7010d30e71325cc69e463db90c0b0de25514334
P2WPKH_V0
OP_0 f2cee294ec990704302667c588ae71990f473d7f
P2PKH
OP_DUP OP_HASH160 8ca9e1ffe4b57679ac722f1bbc8e982c70758c11 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 ffed308d04eed80d922f216b92df21490eb2336c
P2PKH
OP_DUP OP_HASH160 c9ef7e4eea222b9c52835a7f1cf1676ba99cbb06 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 6986469a6265dc1a95b30ee8474e8cb38f819d72 OP_EQUAL
P2SH
OP_HASH160 cc2feebe52aacb062b8304c88a990c60744ca174 OP_EQUAL
P2WPKH_V0
OP_0 abfb582967f2dfbc533a4b65ab286f21aaf9b1e7
P2WPKH_V0
OP_0 e3cd56f99f4df9e5be6e99cdcdf4465ea0d87eb0
P2SH
OP_HASH160 880c8664d5bc92747b9195a66bcf54840a25fe94 OP_EQUAL
P2WPKH_V0
OP_0 642a49b09c3fda456bf5cef94363ba5c87011a4f
P2WPKH_V0
OP_0 99d056fa66413a7411b1f53a779579a51e90fc2e
P2PKH
OP_DUP OP_HASH160 0a5354040a57d24829c410290c27ac8ade65d81d OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 3b5408d62b0543064e68edc66e2ef8418bea6b54 OP_EQUAL
P2WPKH_V0
OP_0 08aeb96e82375aa9bba5752174b60c7968c66cf2
P2WPKH_V0
OP_0 0cdd9301862d2ab058a209d46c6d57c79750197e
P2WPKH_V0
OP_0 c00cd8fb10144503efa88e45efe2eb6d71273ca6
P2PKH
OP_DUP OP_HASH160 fa7a3cb07ecf32c54ada5a12fb965137d22e5ec1 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 3dd4723db8d2bd4f5638c0dc3542f4fe4b97d428
P2PKH
OP_DUP OP_HASH160 0553e6a8898835476b90911044f97c5d042d0199 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 9b74a806900305ce0f267b479063a80d9ca5804e
P2WPKH_V0
OP_0 5ea7d88c9bf2699f38ed99b1a2d6225402ddd809
P2WPKH_V0
OP_0 55262c5382b546ce35e147dab863e7871e4af7b1
P2WPKH_V0
OP_0 da83df5382374b7c1c36f4385f5d059e770d189c
P2WPKH_V0
OP_0 3774a07faa43ea09e5b5fb2db6bcb37d267cea58
P2SH
OP_HASH160 c55bd109686c8d3ac5949181edcf170c3c6f334e OP_EQUAL
P2WPKH_V0
OP_0 171a202f9e1cdba8b5f8062671303fc3d697b5ab
P2SH
OP_HASH160 69022d6795e7334a6c83dbf65d21f090f36a4435 OP_EQUAL
P2SH
OP_HASH160 0fe6c879834afbf40ddea4323464e08c0ab34777 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 b19889f97af2671544a301dbe45d30634eb521a3 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 a976cbeb2c7b09634559648fb416894115d0caf5
P2WPKH_V0
OP_0 fb3c8bb2b36f6800012cc1b60d77d209836fcb67
P2WPKH_V0
OP_0 16af502048e693430774c717868bfae37a296bb7
P2PKH
OP_DUP OP_HASH160 9066e95ed2874d21e97f71de737fb1b56f8718b4 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 4d31ee4471bf1c478c88cf49e7316e840eff1c99 OP_EQUAL
P2SH
OP_HASH160 30f339c6924872d3558dd3507f831974925a081e OP_EQUAL
P2WPKH_V0
OP_0 2fe63b9aaeff30e813956c322aae1e456b652a8d
P2PKH
OP_DUP OP_HASH160 be81edb66df895824b3b547d8fbe0e8de7325379 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 5d5e21cd13366db219e371a8eb28c356879ecd6a
P2WPKH_V0
OP_0 295fb3a1d69e067e64737e8ca84f9ba52e8d198f
P2WPKH_V0
OP_0 f640b10967824b01f9efc4c8cde939d13dd60e76
P2WPKH_V0
OP_0 baa8a319c6a6901b08ff40d0fd4d1c573723dde3
P2WSH_V0
OP_0 ae9292c353add9c5944a53cc8dd6ff5d3cafa0ba351465ddf7d3554020fc275e
P2WPKH_V0
OP_0 81e4b5edcc7ad31777ab74a6f72f1c4938e912fa
P2WPKH_V0
OP_0 42de755de75f5058d9f53a3a54de62fd9055c4c2
P2WPKH_V0
OP_0 1e794634f44856b40047c489072f233e6e4e1378
P2WPKH_V0
OP_0 03fb6e7df8d53c18fef81a5ab2681a901132882e
P2SH
OP_HASH160 fd10bd6658a2d2c89fe10e56c77b549604f3a826 OP_EQUAL
P2WPKH_V0
OP_0 2db95759cede645d667c3062952f26c08bf78315
P2PKH
OP_DUP OP_HASH160 74ec0072571ccce4565a40c9fcfd56740301b9bb OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 b4548fe8ecedf71d7b47e06bffd3c672d2960b10 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 b0de5c616170a5ead51aae02284cab7ae14d4f53
P2WPKH_V0
OP_0 bbc414f4e05590b02adc0f2efbbd667ad032359d
P2WPKH_V0
OP_0 df1cecf97fd693507f45c2ca3292f2a291ac20e9
P2PKH
OP_DUP OP_HASH160 d07819a77a10c22216454ea108a53613b280e019 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 a3518e973486317c278184c26b610765a77f66db OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 034759e589380c1998530c42788868fbf36a06ae OP_EQUALVERIFY OP_CHECKSIG
P2WSH_V0
OP_0 76e5e43646cb4ff9e1254b9daccabaef5a385a106e008e615ad05e2a8623441b
P2PKH
OP_DUP OP_HASH160 9504194ec4908e254f76ae8847567c89f8acbece OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 54431f9f7bc7f97c5aff467960a0bd9c09847957
P2SH
OP_HASH160 ae06d704d156809cc6a3e8702af243bb768a0344 OP_EQUAL
P2WPKH_V0
OP_0 3be547878b293450e62a33f59db9c380ac5f0e38
P2PKH
OP_DUP OP_HASH160 606ed65e953d4713955085b309fb48d6dceec272 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 369e402c2c32b41a8738d0eda5623f4ed0806847
P2PKH
OP_DUP OP_HASH160 81915d0322a962c4bb071620a361e0c559e2e4c9 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 a1c70c846954ece480dec944971fe6038d79de23
P2PKH
OP_DUP OP_HASH160 583b0415b380a9f01f5fdfe2b71d550c5a740562 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 edec77bb3256686d57986b34e4fc67ea4b898cde
P2WSH_V0
OP_0 0b4d076a39da87e8dd20fbf8a576ac72310c01acad06fde04063222c97edb4b7
P2PKH
OP_DUP OP_HASH160 901b7e214292f8c12074dc013f34f1534b03ebc1 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 47077c0e8f57394efc977890e5fba81b3b7dadde
P2WSH_V0
OP_0 37bba5b7d2493b3f8b2927c146cd5dc5e2f7cd3ce342474099c716083a52f30b
P2WPKH_V0
OP_0 7d8357da219d62d31717dc3e6d9778cc8b723273
P2WPKH_V0
OP_0 40458aba9743abd8072e10c48a45db12cb237ce2
P2WPKH_V0
OP_0 88e5a57a03e8c52861548cb0b8601194aeec4434
P2WPKH_V0
OP_0 55c3beba41a8664d8dbc9f9717c98632d74028fb
P2PKH
OP_DUP OP_HASH160 4a9951a2e9eb51a32144fc1f0e714d8c699a7571 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 111ded974d203187f43046e62f19b41240e126e5
P2WPKH_V0
OP_0 a0c77e99211d877eec0a01c74ffd352c5b674a3a
P2WPKH_V0
OP_0 621bdd043e0652ac1be1b82f054cef9a0badc2c1
P2WPKH_V0
OP_0 15e3e7757ab7306cbc616bc3bc39be7ff7842df0
P2WPKH_V0
OP_0 155a139e278088bd497535d53249ada9022ce633
P2PKH
OP_DUP OP_HASH160 142da7946e01dee6783f31bcc4b35b2578664b9c OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 17116ac652d78b208a0711307b30a41df706c6cb OP_EQUAL
P2PKH
OP_DUP OP_HASH160 6950c8d98a17a9d628c5e192178a1110debc408c OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 160aef5ffb18f0400d9d2bb702c9203792b661f7
P2WPKH_V0
OP_0 be3d9ff4303a3a7893e8b115f8a8e519b904b729
P2PKH
OP_DUP OP_HASH160 94231e8ec5bddcd66089883ef1aa2e8cd58bdb51 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 a603e1cbbea8fa005230c80d44e55a5f2a2fa08b
P2PKH
OP_DUP OP_HASH160 5359ea4057e4baed2d6e1870481def94bc0501f0 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 32282616ede1f7b2442848d5c7807f86f6c575a5
P2PKH
OP_DUP OP_HASH160 4bb7026befecb35a3731fdb442f96a7ec4d2c7e2 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 4c47c0104e42aca6a8c71be3177b974d238c3bd4 OP_EQUAL
P2WPKH_V0
OP_0 fe8f489987304598af39f9fdde2fcfea03c63be0
P2WPKH_V0
OP_0 d713fdafa818d486655ef107b7dcdbb4fe9df70b
P2SH
OP_HASH160 7eb94c96beae7b9705fac7deecb817451c7d1368 OP_EQUAL
P2WPKH_V0
OP_0 940461ef6960c9f95509dcf6dd4f2522293700db
P2WPKH_V0
OP_0 2b66ce09ff78b844e04bb26aba0c32f671b763c6
P2WPKH_V0
OP_0 3a92b0fc853e8ba119be12934b1a5b82807382db
P2WPKH_V0
OP_0 d83526df857909f70e48ba231c2e1733790b2238
P2WPKH_V0
OP_0 1491731aadc60e151b0ba4cc55a1d58206fd1c9c
P2PKH
OP_DUP OP_HASH160 53ff1bd6a1daa3e1e97700a1ed7ffef97dd2604f OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 2fa48fec0dfc775f924e7bfd24015af5abc6c6a5
P2WPKH_V0
OP_0 5c222fb0f76ef3eead3dde5db506862ce482b847
P2WPKH_V0
OP_0 259680730265997332fbb0ee3dce213e81ebacb8
P2WPKH_V0
OP_0 613812e5997d86a2856b570abe4bda958d2de562
P2PKH
OP_DUP OP_HASH160 76263cf2e3dc2e2d460af443b9a1599307783231 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 36e8b3b103425e9f51f2bef552fbaa1a6cb96c80
P2PKH
OP_DUP OP_HASH160 4dc48660cb799e86183d87d302b047609951a718 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 97a18ef077ebaaa9b759a6ff21f4a25716608466 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 5e6a96ff35cb7c3abe538da4fa55b3aed4ac02a4
P2WPKH_V0
OP_0 75e23309d0baa1784dc5bf91c041a4b4c6894b15
P2WPKH_V0
OP_0 4c340f2d7291b10495d48a49c68e2899755442cb
P2PKH
OP_DUP OP_HASH160 d5d1484c95bb84f08abb08f7fe673118cede6252 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 1bf482c8565eb189329bbf90e41a2331ada9280a OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 d7f2f0b584c8940eb1662d3cf60091abe892f3e9
P2WPKH_V0
OP_0 534430254d88b75e34afec6d85793d8c39259076
P2SH
OP_HASH160 fca05fdc712b09d8e37e118d4a7c26ecab92ed4b OP_EQUAL
P2WPKH_V0
OP_0 3a3a01784d48a72d0c08f15e67906cba2511b4e3
P2WPKH_V0
OP_0 49667e7e7e54e2d3978b9a04e2cb448356685560
P2SH
OP_HASH160 ebb4ce1aa617bab73ba468265da21e4f5f6d1630 OP_EQUAL
P2WPKH_V0
OP_0 29cad69df93059ed69cbf4ebe927b7231e9c4eee
P2WPKH_V0
OP_0 88624d1fe2df2e5c8eebf41086d79d366d3e167d
P2WPKH_V0
OP_0 ca98f7df41e259420a367e9a562087f4359381da
P2WPKH_V0
OP_0 94026f5f4377dcdeb06a291fec588f0c67932525
P2PKH
OP_DUP OP_HASH160 d6cbc6a9e817d2be804ae279425a49e081352ff0 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 e940f52d69ddeba96fc4de383b8be250c7a24125
P2WSH_V0
OP_0 d4f1bc0688fccc3e85bdbe1f4e5863b54778b664deaff9989af5781f7e986373
P2WPKH_V0
OP_0 5bc1eabe4e64c0a6b57c5aa70c348fc4995049ad
P2WPKH_V0
OP_0 9cb013c1958e770ca15af2283212d23e99cb4ce7
P2WPKH_V0
OP_0 9e38a31b76d3cc3f1edfa7ebf69fe5ebb2f6bd88
P2WPKH_V0
OP_0 f787451c4b3f02cf79b78e71167aa44d59a8cfd8
P2WPKH_V0
OP_0 ed933cb9de91a620c3663444772713bba127643e
P2PKH
OP_DUP OP_HASH160 e091b084a18ea695286c094a6795aeed18bebea0 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 862319f1efc5d8f683c19e9e8f2378f37f6abfe5 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 7b1c7da33e66b1b5184532cabb86130065505664
P2WPKH_V0
OP_0 aa44d81772330d2d634c341e7a02771215c07eaa
P2SH
OP_HASH160 7f460322e19b5d7eab727eba0f1c90ef2f7f5bae OP_EQUAL
P2PKH
OP_DUP OP_HASH160 d9aaeec161f32e4b443f2354477c28d3b19aebb8 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 ee283315f7abb1363f678314850799776a1dc7b6
P2WPKH_V0
OP_0 d529d6b4d2aaade47f648fe5808be0517014eb54
P2SH
OP_HASH160 d6f8b87e586f91fef637cd36c35eda130394a1a7 OP_EQUAL
P2SH
OP_HASH160 94438a514bfd5ea1c7c9aa5ad4004fd2e8914b30 OP_EQUAL
P2WPKH_V0
OP_0 9a2c288ac1aeb13e8e70b1e2df1f04d1acf334f3
P2WPKH_V0
OP_0 fab0b710198a733cb05191e9ed90f3c398e19e94
P2WPKH_V0
OP_0 15a03276f5ed10e11e4026da4977d4e37524e257
P2WPKH_V0
OP_0 af8b15715ffaf4a9bc0eda413ce7bfa0560b8c26
P2WPKH_V0
OP_0 52b4d55fb15380b60e2e46108da74ffbcbd5eb42
P2WPKH_V0
OP_0 cdb28cdda45345db74226699da55871f877c678a
P2WPKH_V0
OP_0 1c0226f80a6b7d8e31a0212db79d7fa7eb9363f9
P2WPKH_V0
OP_0 447daed0693a7a75d23da36d090b2f2a2dbaef81
P2WPKH_V0
OP_0 1587a3b0d7bd04bb01fe8d86595653acba680576
P2WPKH_V0
OP_0 0b799e316c853ebb49e6106c724a767ebf70001c
P2PKH
OP_DUP OP_HASH160 540331076ac9fc9bd051e9e6382c934779f8aac0 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 7f1fae8bd1e42c62c950293ae5bcca2e58ceb0a5
P2WPKH_V0
OP_0 053fee72423fa497214ccbb790e312b82a18c0fd
P2WPKH_V0
OP_0 a6120ea2b4e78f23df3acfad09201aabac88e440
P2PKH
OP_DUP OP_HASH160 21c7a1664d7b1bd61c26609dd23ec9428bf26839 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 3a892968915559344759ed8b2d903501d0f6413c OP_EQUALVERIFY OP_CHECKSIG