返回
 APIs
关于我们
教程
中文
Siacoin 浏览器
Siacoin 浏览器
搜索
如何在Tron上查找列入黑名单的USDT地址 - 👉赶快围观
Tokenview APIs 上线 Web3 开发者 APIs 大合集 - 👉点击获取

简介

SC SC
哈希: 00000000000000020ff9a0977db20da5d828ef3dc02119b51fa107f3f5558d23
区块高度 280295
时间 10/04/2020 05:04:12
UTC: 10/04/2020 05:04:12
大小 0 Bytes
交易费 6.28725000 SC
确认数 -272257
转账总额 1418773692.61444... SC
挖矿难度 37733753510655431437
交易数量 312
区块奖励 30006.28725 SC

哈希

哈希: 00000000000000020ff9a0977db20da5d828ef3dc02119b51fa107f3f5558d23
上一个区块: 000000000000000046fcac27cff62c767614cf9116e64dea7288e6b47f1dedc3
下一个区块: 000000000000000325393197dd8dd7fddf5134a6ee7fd0994088a88faa628b5c
播报方: a88ba693dcc00e20f99231807bd5d7b69c1b48cb243d2a36149dab91c178c18b592e219d65ec
  • 4628.178272410345901... SC
    4628.178272410345901759763402 SC
    交易哈希: 102fe9d0313f9c218a69299cb4bf27af996d31057d152595c3375f66adefa705
      手续费 + 0.00000000
    确认数: 1
    Type Transfer
  • 10.00040514451937240... SC
    10.000405144519372407075076 SC
    交易哈希: b6bf43d3ba3f7eb7ebc699a10182f67bc573e93ca6fd9c957a9b0e51779aa587
      手续费 + 0.06144000
    确认数: 1
    Type File Contract Contract: {"id": "d7688725adc0bac18b83286e5d8b8216ed54b66bb6c63c6762b6e52d86024949", "filesize": 0, "filemerkleroot": "0000000000000000000000000000000000000000000000000000000000000000", "windowstart": 280493, "windowend": 280637, "payout": "2619845382434304668787716", "validproofoutputs": [{"id": "4d111dfde53606eb9c6f33bda665869f77bfb9fe3ba8327052f84a2d58aa7e60", "value": "1517266267999994379632640", "unlockhash": "7c10e2fbd6972946291d90e52c01e8c5397e74909b7aaf91a541611206cae96cdcc2c4ae4bef"}, {"id": "c8017233de00c8b88203df676a47fec1b85f8d867254cffb34c184b2c4be671a", "value": "1000405144519372407075076", "unlockhash": "433b1b8b2fc423cca173af3357f077ae7db36b9e1b8bfdf5f387adac85c46ad9c518df4cd476"}], "missedproofoutputs": [{"id": "4732be613cb73b23b9d903ee4c4520a8a749fb269ab17c378d8bb6352ac1c365", "value": "1517266267999994379632640", "unlockhash": "7c10e2fbd6972946291d90e52c01e8c5397e74909b7aaf91a541611206cae96cdcc2c4ae4bef"}, {"id": "b1413b518869a67d8e15eabfc29cd4904ec5ea5369ebaa147ef3dc488b72600b", "value": "1000405144519372407075076", "unlockhash": "433b1b8b2fc423cca173af3357f077ae7db36b9e1b8bfdf5f387adac85c46ad9c518df4cd476"}, {"id": "3e823997d37d0d8bd2ef03befd230d9ca202164049f204d12ce21dd9423f10e1", "value": "0", "unlockhash": "000000000000000000000000000000000000000000000000000000000000000089eb0d6a8a69"}], "unlockhash": "9fdf47accb68cef497dbddc7eff0edd38d87544576cd64048d159702c8758cd266ea6f9ec601", "revisionnumber": 0};
  • 1145.028882685798586... SC
    1145.028882685798586272156932 SC
    交易哈希: f1db5de3f0d271fdab77681a97266d5f43ef5d1b5ab4038c56f369c22b9e9f7a
      手续费 + 0.00000000
    确认数: 1
    Type Transfer
  • 0.03978 SC
    0.03978 SC
    交易哈希: 233ae4543a69133b4a3c6747ecc7fc4fea4ac9a880ed97b2a2be82ea955a0856
      手续费 + 0.03978000
    确认数: 1
    Type File Contract Revision Contract: {"parentid": "2c52f0a727e6cf6dfaee4f6914161054e0390e77975e1b9862fa39b2eb576026", "unlockconditions": {"timelock": 0, "publickeys": [{"algorithm": "ed25519", "key": "Q9xd6CDE5HijfLX5xwv2hnPjk7p/spxSkdNHCCbJg9w="}, {"algorithm": "ed25519", "key": "grP958Gya7KDgKR9jl6jUtM0/Fk69naPBkKj+R09Q4w="}], "signaturesrequired": 2}, "newrevisionnumber": 1, "newfilesize": 0, "newfilemerkleroot": "0000000000000000000000000000000000000000000000000000000000000000", "newwindowstart": 280437, "newwindowend": 280581, "newvalidproofoutputs": [{"value": "1066043786236151709302784", "unlockhash": "160456904a525c9709f77c9b870b012ff9f86257900660e4b4afc6c0b88183c2968781051ecb"}, {"value": "250308389199998026309120", "unlockhash": "215a83f5340dda4e0bc430e440f31ef1ebc102ab41a0e0725e0aca4d13e36c32183251114f51"}], "newmissedproofoutputs": [{"value": "1066043786236151709302784", "unlockhash": "160456904a525c9709f77c9b870b012ff9f86257900660e4b4afc6c0b88183c2968781051ecb"}, {"value": "250308389199998026309120", "unlockhash": "215a83f5340dda4e0bc430e440f31ef1ebc102ab41a0e0725e0aca4d13e36c32183251114f51"}, {"value": "0", "unlockhash": "000000000000000000000000000000000000000000000000000000000000000089eb0d6a8a69"}], "newunlockhash": "34518f0eb7209364451bba450548577b9d59ba5c9466cd0eb4c46939be39fc5a7d58ce0744a3"};
  • 4795.331804888476832... SC
    4795.331804888476832402550021 SC
    交易哈希: 11b1b786c04f34861a434a9edea1e4f1625ad31783cb1135bae220ef17457031
      手续费 + 0.00000000
    确认数: 1
    Type Transfer
  • 0.04014 SC
    0.04014 SC
    交易哈希: 05cfa2f2ae2473e204e8bbc308712cb29e8b9d6d219c4a87d4bc38e43507fbd2
      手续费 + 0.04014000
    确认数: 1
    Type File Contract Revision Contract: {"parentid": "53a273630a7b28038b480e10a77e82e391edf805e49d6f210515fda468e2c20a", "unlockconditions": {"timelock": 0, "publickeys": [{"algorithm": "ed25519", "key": "6Jn3cN4PsuSBRlQPm4YbQlHhf+6ptK866bVJyZVqTzA="}, {"algorithm": "ed25519", "key": "ltaENT3yWWhrd+hPrmX3z7QcQjcIz+vmpeqxAr+SRpQ="}], "signaturesrequired": 2}, "newrevisionnumber": 146, "newfilesize": 4194304, "newfilemerkleroot": "83207f7c600f7179db0cf19bec1227ad51bca64b5fef203c0f439f41a8a5c764", "newwindowstart": 280437, "newwindowend": 280581, "newvalidproofoutputs": [{"value": "2021799277389552583536211", "unlockhash": "96f52cc484a381576d48735a82aa5a0d590646280612357a4d603e155e4acbec0ef9dab2579d"}, {"value": "1008469518523079376474285", "unlockhash": "342dd96c7142bf8c604b91e8563c8901475954b5ca516d19b24c36e7d3146ea5b963f3e34a0a"}], "newmissedproofoutputs": [{"value": "2021799277389552583536211", "unlockhash": "96f52cc484a381576d48735a82aa5a0d590646280612357a4d603e155e4acbec0ef9dab2579d"}, {"value": "996279516843198197485998", "unlockhash": "342dd96c7142bf8c604b91e8563c8901475954b5ca516d19b24c36e7d3146ea5b963f3e34a0a"}, {"value": "12190001679881178988287", "unlockhash": "000000000000000000000000000000000000000000000000000000000000000089eb0d6a8a69"}], "newunlockhash": "eabd2613c74763aba7bb467ec694c82b327a45501de3a40afd5de78468c4bcc7f65f4dfbccea"};
  • 2120.395660396451821... SC
    2120.395660396451821790924609 SC
    交易哈希: f76fcb5393f6ed48b3df0f73f4dc4433ca8b658355d67fab6270e285a6efcb91
      手续费 + 0.00000000
    确认数: 1
    Type Transfer
  • 0.0402 SC
    0.0402 SC
    交易哈希: a93c2ae7e0e3872b70d4b6aface6680737770cc62ee1f50ee0d3010e275421d8
      手续费 + 0.04020000
    确认数: 1
    Type File Contract Revision Contract: {"parentid": "8709acbb9a4249206d35910c70cedca7b28eaee676e2fb3a263aa8aa1cdc26ed", "unlockconditions": {"timelock": 0, "publickeys": [{"algorithm": "ed25519", "key": "vNv3mM2STrKilgZg/jsWOWEozdH2r3oiPjp1jPzCZC8="}, {"algorithm": "ed25519", "key": "gtqjPc4yd5gCi6evjtO5V2v8dDU4sh+mNDi/DKMMHlM="}], "signaturesrequired": 2}, "newrevisionnumber": 82, "newfilesize": 4194304, "newfilemerkleroot": "60fc5026536ee941e1e37775661919f31213e77cd7f69d090786251c331e1cf0", "newwindowstart": 280437, "newwindowend": 280581, "newvalidproofoutputs": [{"value": "2795262057336244919022525", "unlockhash": "12fd6de3cde2bc5e9132a389441157155fdf4800b753a8cb288b534c51e98c68f21c65d6b95c"}, {"value": "2006542588336763191021379", "unlockhash": "8fd95ccff91837c20cde2f8927256cd77d9528d237fca4cf57792b88b112b9ba8a3171f7067a"}], "newmissedproofoutputs": [{"value": "2795262057336244919022525", "unlockhash": "12fd6de3cde2bc5e9132a389441157155fdf4800b753a8cb288b534c51e98c68f21c65d6b95c"}, {"value": "1994867189539928348911396", "unlockhash": "8fd95ccff91837c20cde2f8927256cd77d9528d237fca4cf57792b88b112b9ba8a3171f7067a"}, {"value": "11675398796834842109983", "unlockhash": "000000000000000000000000000000000000000000000000000000000000000089eb0d6a8a69"}], "newunlockhash": "704d615515b6d9a219daa44fa28290740aeb81ba2b48ec37cb7112d6964ebecfac8402bb271f"};
  • 10648.53944351862899... SC
    10648.539443518628992227432521 SC
    交易哈希: 44f057ac64e6e5667b5a6d7de1cf6e029da00a8d4035c82392ba70441e2d40d1
      手续费 + 0.00000000
    确认数: 1
    Type Transfer
  • 0.03984 SC
    0.03984 SC
    交易哈希: c8f954b4524d50e2c0ecacf13e6cf38015d5825be675434f9b652c126af729b5
      手续费 + 0.03984000
    确认数: 1
    Type File Contract Revision Contract: {"parentid": "9f588ac385ebcec6da0c828be85b359d82f61b41173da79734668e3cbc06c07d", "unlockconditions": {"timelock": 0, "publickeys": [{"algorithm": "ed25519", "key": "MrFqkdDOel0rdA38U6TT0NFLUJ3oZ3agAV/Q9nLIPJc="}, {"algorithm": "ed25519", "key": "zmREVpZciUMl2mUyQxdP26lSc84QYv6SmV+6hunQ80w="}], "signaturesrequired": 2}, "newrevisionnumber": 1, "newfilesize": 0, "newfilemerkleroot": "0000000000000000000000000000000000000000000000000000000000000000", "newwindowstart": 280437, "newwindowend": 280581, "newvalidproofoutputs": [{"value": "2288490188801683627180032", "unlockhash": "b392bf62ed39bdbcc5f45471d5194ff56cfd801ebf478c2d2d8cb89b6aefb07d3ead5d54cd53"}, {"value": "1000529681599998898262272", "unlockhash": "eb130b9690318947408d9cbada9d1bc7669a836c9f4c0f1b1ace9f1cd45026d4db20511eb3b0"}], "newmissedproofoutputs": [{"value": "2288490188801683627180032", "unlockhash": "b392bf62ed39bdbcc5f45471d5194ff56cfd801ebf478c2d2d8cb89b6aefb07d3ead5d54cd53"}, {"value": "1000529681599998898262272", "unlockhash": "eb130b9690318947408d9cbada9d1bc7669a836c9f4c0f1b1ace9f1cd45026d4db20511eb3b0"}, {"value": "0", "unlockhash": "000000000000000000000000000000000000000000000000000000000000000089eb0d6a8a69"}], "newunlockhash": "c13331e3fc1dbb032f9680b65c72807f536c3ee255b4541315fa23f11db10696e42f1ae7e61c"};
  • 511.4281471253024619... SC
    511.428147125302461919450709 SC
    交易哈希: fb6b7fa9fe508179c926b0a0ae81b40dd70c46acdea481550456a98ff5be67f8
      手续费 + 0.00000000
    确认数: 1
    Type Transfer
  • 0.03978 SC
    0.03978 SC
    交易哈希: f45e18c12602c13fb9909e703e252600b6a73196a6bdad95d6f6ce03662c0fdb
      手续费 + 0.03978000
    确认数: 1
    Type File Contract Revision Contract: {"parentid": "f3c86b2901526b119d29ff917f1fb17c50e964de2582d0ca643f544347413fc5", "unlockconditions": {"timelock": 0, "publickeys": [{"algorithm": "ed25519", "key": "LsPDipVZW95so9x1IJH56hdh9pHnHlVjKK9WkGPD8lw="}, {"algorithm": "ed25519", "key": "ceyb/SoRXyBJCSWET4/EAYsIMD74S5D5GqZZyl4+swU="}], "signaturesrequired": 2}, "newrevisionnumber": 1, "newfilesize": 0, "newfilemerkleroot": "0000000000000000000000000000000000000000000000000000000000000000", "newwindowstart": 280437, "newwindowend": 280581, "newvalidproofoutputs": [{"value": "1000000000000000000000000", "unlockhash": "a87159dc8214f1ba82ba8372f3e154be15a93d5d75532431eaefab5229a4b93c4331c3db05cf"}, {"value": "151925667799987675726080", "unlockhash": "cc42b570b6e4e4d2216d3ec3955ff762ecba01f09fa5ebf0d3fdc842502f918711646ef1e55b"}], "newmissedproofoutputs": [{"value": "1000000000000000000000000", "unlockhash": "a87159dc8214f1ba82ba8372f3e154be15a93d5d75532431eaefab5229a4b93c4331c3db05cf"}, {"value": "151925667799987675726080", "unlockhash": "cc42b570b6e4e4d2216d3ec3955ff762ecba01f09fa5ebf0d3fdc842502f918711646ef1e55b"}, {"value": "0", "unlockhash": "000000000000000000000000000000000000000000000000000000000000000089eb0d6a8a69"}], "newunlockhash": "daedd68d4034f4370326c15010024736f8089e51998c17da7f63a7e6351c3aba356a6e4f63b2"};
  • 2565.579916738268505... SC
    2565.579916738268505719660332 SC
    交易哈希: 93fac63d3f84a50238ca5083d1a1251bd68f19962d92b730d9376510ebf72bf7
      手续费 + 0.00000000
    确认数: 1
    Type Transfer
  • 0.03978 SC
    0.03978 SC
    交易哈希: c9d6f2c57078e3bf1f72b7e791028946f1828876125e913681ef97b6ea422d74
      手续费 + 0.03978000
    确认数: 1
    Type File Contract Revision Contract: {"parentid": "2bc0cb3bd342c260f31bb419baa281c4c92d22289bf8829226fbecaf2fe51e05", "unlockconditions": {"timelock": 0, "publickeys": [{"algorithm": "ed25519", "key": "fp5LnEEKxSF5SzKltW0tnXHmF8/HwusLa41SVbiGGwM="}, {"algorithm": "ed25519", "key": "V9vAjXrEj1g/X9zwPkmHnTPfq2bus3krW1YRm+qWCzI="}], "signaturesrequired": 2}, "newrevisionnumber": 1, "newfilesize": 0, "newfilemerkleroot": "0000000000000000000000000000000000000000000000000000000000000000", "newwindowstart": 280437, "newwindowend": 280581, "newvalidproofoutputs": [{"value": "1000000000000000000000000", "unlockhash": "c7a7b273f554dd0536a9e4f80de15850b2280b86f844dffe47d2f3fd48900a6681df6a3d4e27"}, {"value": "151234262399997432734208", "unlockhash": "37731b22c6d3a4d3544f5199259d38f01d29c0773517bbb06e8bac1ede24747f4f273e6971c5"}], "newmissedproofoutputs": [{"value": "1000000000000000000000000", "unlockhash": "c7a7b273f554dd0536a9e4f80de15850b2280b86f844dffe47d2f3fd48900a6681df6a3d4e27"}, {"value": "151234262399997432734208", "unlockhash": "37731b22c6d3a4d3544f5199259d38f01d29c0773517bbb06e8bac1ede24747f4f273e6971c5"}, {"value": "0", "unlockhash": "000000000000000000000000000000000000000000000000000000000000000089eb0d6a8a69"}], "newunlockhash": "56579fd3b5b56b49ce6ad4a08f1306f1cb0764a0189f9a631dddc8f51a5d3d9f0621d9e072d8"};
  • 1955.008537462929254... SC
    1955.00853746292925436489565 SC
    交易哈希: 8eb4a7920da259341d83abe956d415a0ec0d9183ab0acd5e5bdf2b56e38bf1c2
      手续费 + 0.00000000
    确认数: 1
    Type Transfer
  • 0.03978 SC
    0.03978 SC
    交易哈希: c4404e4ad97dfd9ee8579185bec5e80b6c832beef06dfc0ea4830361dc34fffd
      手续费 + 0.03978000
    确认数: 1
    Type File Contract Revision Contract: {"parentid": "fa459b0202cadd9a0d894c98b2015b53e83051b2d8fe8576e8040242e47d6f06", "unlockconditions": {"timelock": 0, "publickeys": [{"algorithm": "ed25519", "key": "Pwmyx0OGPyVFVLDIpKdnMWG4tmsCLAd9XGr7BXg5vek="}, {"algorithm": "ed25519", "key": "XJlafLS0Qfn8pKnDik0y0NPpyjkNTJ+fI2wlvRSYhzM="}], "signaturesrequired": 2}, "newrevisionnumber": 1, "newfilesize": 0, "newfilemerkleroot": "0000000000000000000000000000000000000000000000000000000000000000", "newwindowstart": 280437, "newwindowend": 280581, "newvalidproofoutputs": [{"value": "1091420602987465913925632", "unlockhash": "486f3692e4af775a49a2a4b618002eaeb353efc64d4d078fa97ba1d839b0545925f558bc6cc9"}, {"value": "150378899460363641865984", "unlockhash": "77ce295588006140683c1a83703d519f707f3eddba5c9d58aad41ffaf152629ce7137690a669"}], "newmissedproofoutputs": [{"value": "1091420602987465913925632", "unlockhash": "486f3692e4af775a49a2a4b618002eaeb353efc64d4d078fa97ba1d839b0545925f558bc6cc9"}, {"value": "150378899460363641865984", "unlockhash": "77ce295588006140683c1a83703d519f707f3eddba5c9d58aad41ffaf152629ce7137690a669"}, {"value": "0", "unlockhash": "000000000000000000000000000000000000000000000000000000000000000089eb0d6a8a69"}], "newunlockhash": "0b4a5c156a24699de0133a3e94d0822beb83506d107aca093b08a46b6a973fa04eb58ef684e8"};
  • 553106.1583779549779... SC
    553106.158377954977907138300953 SC
    交易哈希: b020052ff9f87f55624dff26e1b331dab1d28e54ba7114ed891c9007e5773840
      手续费 + 0.00000000
    确认数: 1
    Type Transfer
  • 0.0399 SC
    0.0399 SC
    交易哈希: 66fcbe72295de7e12731f4804b57282c9c847a6ba69850c096beb7aceed5db99
      手续费 + 0.03990000
    确认数: 1
    Type File Contract Revision Contract: {"parentid": "89f1c7c9643a97c6af3f43064c79d84744e8c8169c37c7ca6a908a64bb494be1", "unlockconditions": {"timelock": 0, "publickeys": [{"algorithm": "ed25519", "key": "jFnfkCB5/OuM0Gs6VLGiKT+a7Vq5rS8R52W2JfuPf30="}, {"algorithm": "ed25519", "key": "DBWdgb9qa1JZU/0OWcsJzgtsb45OyDwe1L3SiMDQ780="}], "signaturesrequired": 2}, "newrevisionnumber": 1, "newfilesize": 0, "newfilemerkleroot": "0000000000000000000000000000000000000000000000000000000000000000", "newwindowstart": 280437, "newwindowend": 280581, "newvalidproofoutputs": [{"value": "2412707850402164663517184", "unlockhash": "a8060fb74c3734c41c1cef48914dc01f825059f7b5e57b9ed7633aa71b5c71d533cf1b3c9545"}, {"value": "1501142109359998172625024", "unlockhash": "4a1c4d400fbe3f6652395ee367620b8988a3391e7f8fcfb141737dda3f41c98340a6fe2b4f47"}], "newmissedproofoutputs": [{"value": "2412707850402164663517184", "unlockhash": "a8060fb74c3734c41c1cef48914dc01f825059f7b5e57b9ed7633aa71b5c71d533cf1b3c9545"}, {"value": "1501142109359998172625024", "unlockhash": "4a1c4d400fbe3f6652395ee367620b8988a3391e7f8fcfb141737dda3f41c98340a6fe2b4f47"}, {"value": "0", "unlockhash": "000000000000000000000000000000000000000000000000000000000000000089eb0d6a8a69"}], "newunlockhash": "cab512e0f634408d4a3bfc43383b6b4a9f8d0206c5c1ac37b5e7fda2407152306fbdf41c6d63"};
  • 2197.449721514475478... SC
    2197.449721514475478981803276 SC
    交易哈希: 6b0320284b11c32fe6f0b6a5e443aae1764a47246b022837033e4342a71c2bbb
      手续费 + 0.00000000
    确认数: 1
    Type Transfer
  • 0.03984 SC
    0.03984 SC
    交易哈希: 1a86c1558be7421ecb3964c196bddb56eec5e18a675dace476c2931294a6c3bb
      手续费 + 0.03984000
    确认数: 1
    Type File Contract Revision Contract: {"parentid": "bbde6266411958f3258ce72c858f28e4b0da6a8ac7cc1958c2c677cf85d9bd08", "unlockconditions": {"timelock": 0, "publickeys": [{"algorithm": "ed25519", "key": "BazgTV+T+P1FqWNdB6qOXF3mmSiMMsK/AZcs4Jtgbjs="}, {"algorithm": "ed25519", "key": "+TFhs9kO4F8tOADjRQSg56l6+hzdQ8z1+rnqXsPmoE4="}], "signaturesrequired": 2}, "newrevisionnumber": 1, "newfilesize": 0, "newfilemerkleroot": "0000000000000000000000000000000000000000000000000000000000000000", "newwindowstart": 280437, "newwindowend": 280581, "newvalidproofoutputs": [{"value": "1479641800657516372819968", "unlockhash": "224afa3b71d8cafd95d15576b9b5391a1b0b5f8439e0488bd67f889d4adfe54043a4b2c90d65"}, {"value": "182314794359429544221952", "unlockhash": "ac9596c5febc5f7eabe9c05ad1f22f229fe14cc936299cf9338388f7b540426d6dbc66c0b954"}], "newmissedproofoutputs": [{"value": "1479641800657516372819968", "unlockhash": "224afa3b71d8cafd95d15576b9b5391a1b0b5f8439e0488bd67f889d4adfe54043a4b2c90d65"}, {"value": "182314794359429544221952", "unlockhash": "ac9596c5febc5f7eabe9c05ad1f22f229fe14cc936299cf9338388f7b540426d6dbc66c0b954"}, {"value": "0", "unlockhash": "000000000000000000000000000000000000000000000000000000000000000089eb0d6a8a69"}], "newunlockhash": "7e36616ba06978f07dfa92a8f540c205fb568297d75574e56591a037f6e4e4faa17ac5c0f11b"};
加载更多
区块链浏览器
比特币浏览器
以太坊浏览器
泰达币浏览器
波场浏览器
BSC浏览器
达世币浏览器
查看更多
开发者
区块链APIs
地址监控
交易监控
节点服务
NFT APIs
NFT 订阅
稳定币APIs
数据市场
了解
做广告
教程
关于我们
服务条款
隐私政策
提交反馈
语言
English 中文
版权所有 © 2024 Tokenview.io 保留所有权利。