Monero Transaction ee851fc44b73fbd8d690ef293534d0c1ba3f47cab8e81be11802632996528fad

Autorefresh is OFF

Tx hash: ee851fc44b73fbd8d690ef293534d0c1ba3f47cab8e81be11802632996528fad

Tx prefix hash: 9a0115881f4d609d8dad95ce163595983e75f019e8d83b8e776d5fb443bffc96
Tx public key: a524b2e246ea8e84ebb080aeeb1e94e652475070232975a4e64c4c6d82676a6c

Transaction ee851fc44b73fbd8d690ef293534d0c1ba3f47cab8e81be11802632996528fad was carried out on the Monero network on 2024-05-24 09:32:22. The transaction has 136091 confirmations. Total output fee is 0.000134320000 XMR.

Timestamp: 1716543142 Timestamp [UTC]: 2024-05-24 09:32:22 Age [y:d:h:m:s]: 00:189:02:56:02
Block: 3155917 Fee (per_kB): 0.000134320000 (0.000041857480) Tx size: 3.2090 kB
Tx version: 2 No of confirmations: 136091 RingCT/type: yes/6
Extra: 01a524b2e246ea8e84ebb080aeeb1e94e652475070232975a4e64c4c6d82676a6c0410cb6349097e9a0222abf1f7a388a6e9d94d97da648a1f538671d80204597b8a40b4a36b879733756ea4331553650f513b9287004aa48c5204cecf312692dcd994e1f0d4b9a4fd56069b929e431183620e32ef5ca9b1484015246210959780e7917186fad8144a3f4dee47593822c3e7f9d76fd23f1248dbaac93e2040acb8255655dd184b04ff1c77084e222463f467bd372954b4ec9cc8fceea432e5997c1035492c0b6d94b1777db6f89c48d58fe732abd372aa5c962dbc38277655c84b7bed725792ef4fc2e4ec23402f02d10c8daadbd674b761763a77746ffbec55c27bb2f80ffd2a69b413aca80750efcd45cd8315e8a3bbec27e34ee3e2cabca82cc4f79969580d1e9aed5cb8fb329e128531f18a473bd9b8d1dbde9c74ff2d8a919bafe10ef1f5cee75871b5f0e258f09450ae7dbf7c6a9ea0347c1bf9f7707dfb3669e6713f97b93df506b58a222552b8e5bb75926bc8845c8af71fd3879865dde9cc975c196f16a35ee76c3db99ce78c8f08e72dd067d0f072bb28e2f22fa2dcb864ed4415b790ffbdc7f7694247549da6d5db6cc692efcf18d2fe4201713cab641db40907657f4325d0d9fbfbbb7914f2e8582f872bf737c90962f0831d5c2d2d08f68a78e5bcc48f4a30fd2f439d762c51ab5f3a964f7ef29f5147d74e5d5cf8ec3549b93962a0656465fb3e1e78a444a62ec3b96b5a2da038fa7741cfcf7e3c1b

16 output(s) for total of ? xmr

stealth address amount amount idx tag
00: 336f4124eec062417319dc5017c40bba1a4dfd0e525222ede8c6551a2d9e2292 ? 103242580 of 120453481 <95>
01: 823531717421d92a7daf4a2ef1bd3a188e88d73f6e70e6d62f403667954de92e ? 103242581 of 120453481 <dc>
02: ffb4ea20fd57edae72dd8217558978cae8986506752a1ffcb7af93ec5b477214 ? 103242582 of 120453481 <dd>
03: 31f9b6950bcde89f2115de5adeb95998b6aa219ea852df2ac5b2d3d9ec117459 ? 103242583 of 120453481 <77>
04: 74343ac73ce24336fb28a4cc00e35cfadfbb9cead2c81cc13b3ad22858918ee4 ? 103242584 of 120453481 <17>
05: 4f23b2d3986d17ac1b61ca2ff349bfa276d985ae85cd438f26800c311b68f2b8 ? 103242585 of 120453481 <f0>
06: 7a04e1b1c81fe62f8f2c6ca3536c773d6d0bd31501c4dc07197f237019103e4b ? 103242586 of 120453481 <24>
07: d0b63c06ad4a53c733359f72dab8a960a037eab30c393d423b792497c7bf480e ? 103242587 of 120453481 <a4>
08: 2d89ac0c2bc5fbd6c6af5ff526b66204faaa10345528a0b8e244c0ab38fdc0fc ? 103242588 of 120453481 <25>
09: 4fd8b39b4cf3416483e99c1b02ccea33d86985ab068f762d2b3da487cb39c4dc ? 103242589 of 120453481 <bc>
10: a6ef5420792ab27ede13aee9a20afc0788a129dfb7db4f0f6ed4bf93ae5c50e1 ? 103242590 of 120453481 <e9>
11: 95d5b211d155942413e12f936ccd308ce6c57f97f9703a04c1ef54b317bbb793 ? 103242591 of 120453481 <ad>
12: be46fe2147ba68cd1a72b561c3a0f7092d5bfa4267bc53e3d37b374a6510566d ? 103242592 of 120453481 <79>
13: 38b895e642d77f935892ae8c53686a9a5414e350589a474d3aa75715a77c706b ? 103242593 of 120453481 <12>
14: 12b6a907327ea45f8c08bccf5960bc260ef36e9d0008870b2a459b73a3fd5774 ? 103242594 of 120453481 <82>
15: 7f39fdd552d367cae8a34986c987ad82b84c3db40be20aa34159d7fbb968f1a4 ? 103242595 of 120453481 <25>

Check which outputs belong to given Monero address/subaddress and viewkey

For RingCT transactions, outputs' amounts are also decoded
Note: address/subaddress and viewkey are sent to the server, as the calculations are done on the server side



Prove to someone that you have sent them Monero in this transaction

Tx private key can be obtained using get_tx_key command in monero-wallet-cli command line tool
Note: address/subaddress and tx private key are sent to the server, as the calculations are done on the server side



Inputs' ring size time scale (from 2021-01-17 20:31:11 till 2024-05-24 10:02:49; resolution: 7.19 days)

  • |_*_______________________________________________________________________________________________________________________________________________________________*___*__**|

1 input(s) for total of ? xmr

key image 00: 3429180ca4c8e40937534d579be76a6325c1ad0cb8fd147ee39017af115c82ff amount: ?
ring members blk ring size in/out timestamp age [y:d:h:m:s]
- 00: 17ca1056bf257a4fd8003f42a0e53c0a6c95635abfdb738f2597cb9b3fb97d61 02276764 11 1/2 2021-01-17 21:31:11 03:316:14:57:13
- 01: 99261df5b9925d29f9a0fbe73556c38e78b2b522974e684a5be9ab3b98e0f501 03114012 16 1/2 2024-03-27 05:38:33 00:247:06:49:51
- 02: 26e7c4273821de3e144d212bd9e068c0fa63144de3636400ee11817e903d20c3 03133161 16 1/2 2024-04-22 20:01:52 00:220:16:26:32
- 03: b208b2f12f20c8d37ae587633cd5c0635a4ea4111ea457fa291362e0f0660d63 03148556 16 2/2 2024-05-14 04:58:54 00:199:07:29:30
- 04: 94f9a4ccb830595b81314973842d3e397351cf004e909c9c2114b45ac21d8b3d 03150920 16 2/11 2024-05-17 11:23:01 00:196:01:05:23
- 05: a98e4fcbed033a33ffa7f6a0616d4c3086596672e782253451b6171ab354cb16 03151810 16 1/2 2024-05-18 17:44:22 00:194:18:44:02
- 06: a8d4d7747caeeef84c2ee5f8e79b17340a1c400e7978024f1b00ecbd805a4a3e 03152297 16 1/11 2024-05-19 08:13:03 00:194:04:15:21
- 07: aa8239a516d508c7d11b4856b47700967a8566736e22fe955f62e0001b6242f1 03153344 16 1/9 2024-05-20 19:19:11 00:192:17:09:13
- 08: 2d5e79e368778eea99ce0b3fcb4009fafcdc1635f8b30447e62adb95a9872f03 03153755 16 1/2 2024-05-21 09:44:37 00:192:02:43:47
- 09: 4fc97a74db0c8b89b14a122ed0894fadaba48ccbd6c623ade831f117bd6e665e 03154289 16 1/9 2024-05-22 03:12:48 00:191:09:15:36
- 10: 0d0b47ef95b6ef4407b1568cc334943720a422158d3e0e39fbe14e1ff8267f9b 03154750 16 1/13 2024-05-22 18:25:48 00:190:18:02:36
- 11: 4846f2c903bc7a95ce35a62ba5cc265fcb8efbed0b043769fd91acf226a7648f 03155262 16 1/16 2024-05-23 12:16:04 00:190:00:12:20
- 12: 1f565f58f01716972dc64bcb9e4b95f7ce67c47cb238d67a134606a7441b83da 03155322 16 2/16 2024-05-23 14:07:12 00:189:22:21:12
- 13: 103e5eff07e15a9d9e4f46fbf4c93e5ec70dd783fe0cf14751cb2581dc52aab7 03155724 16 1/16 2024-05-24 03:21:47 00:189:09:06:37
- 14: e854dbaf25d613ee6c257a689af84f7b5a73c421188d25bf800f06cbd53c97cb 03155842 16 1/2 2024-05-24 07:07:11 00:189:05:21:13
- 15: 115f022dc249d303a8263802cf77a7c9bd030527768590504b8d280fe6711cbc 03155901 16 1/16 2024-05-24 09:02:49 00:189:03:25:35
{ "version": 2, "unlock_time": 0, "vin": [ { "key": { "amount": 0, "key_offsets": [ 26040001, 70668599, 2760280, 1778534, 617220, 235727, 103435, 273086, 120681, 163897, 140104, 150922, 20671, 123031, 28177, 14485 ], "k_image": "3429180ca4c8e40937534d579be76a6325c1ad0cb8fd147ee39017af115c82ff" } } ], "vout": [ { "amount": 0, "target": { "tagged_key": { "key": "336f4124eec062417319dc5017c40bba1a4dfd0e525222ede8c6551a2d9e2292", "view_tag": "95" } } }, { "amount": 0, "target": { "tagged_key": { "key": "823531717421d92a7daf4a2ef1bd3a188e88d73f6e70e6d62f403667954de92e", "view_tag": "dc" } } }, { "amount": 0, "target": { "tagged_key": { "key": "ffb4ea20fd57edae72dd8217558978cae8986506752a1ffcb7af93ec5b477214", "view_tag": "dd" } } }, { "amount": 0, "target": { "tagged_key": { "key": "31f9b6950bcde89f2115de5adeb95998b6aa219ea852df2ac5b2d3d9ec117459", "view_tag": "77" } } }, { "amount": 0, "target": { "tagged_key": { "key": "74343ac73ce24336fb28a4cc00e35cfadfbb9cead2c81cc13b3ad22858918ee4", "view_tag": "17" } } }, { "amount": 0, "target": { "tagged_key": { "key": "4f23b2d3986d17ac1b61ca2ff349bfa276d985ae85cd438f26800c311b68f2b8", "view_tag": "f0" } } }, { "amount": 0, "target": { "tagged_key": { "key": "7a04e1b1c81fe62f8f2c6ca3536c773d6d0bd31501c4dc07197f237019103e4b", "view_tag": "24" } } }, { "amount": 0, "target": { "tagged_key": { "key": "d0b63c06ad4a53c733359f72dab8a960a037eab30c393d423b792497c7bf480e", "view_tag": "a4" } } }, { "amount": 0, "target": { "tagged_key": { "key": "2d89ac0c2bc5fbd6c6af5ff526b66204faaa10345528a0b8e244c0ab38fdc0fc", "view_tag": "25" } } }, { "amount": 0, "target": { "tagged_key": { "key": "4fd8b39b4cf3416483e99c1b02ccea33d86985ab068f762d2b3da487cb39c4dc", "view_tag": "bc" } } }, { "amount": 0, "target": { "tagged_key": { "key": "a6ef5420792ab27ede13aee9a20afc0788a129dfb7db4f0f6ed4bf93ae5c50e1", "view_tag": "e9" } } }, { "amount": 0, "target": { "tagged_key": { "key": "95d5b211d155942413e12f936ccd308ce6c57f97f9703a04c1ef54b317bbb793", "view_tag": "ad" } } }, { "amount": 0, "target": { "tagged_key": { "key": "be46fe2147ba68cd1a72b561c3a0f7092d5bfa4267bc53e3d37b374a6510566d", "view_tag": "79" } } }, { "amount": 0, "target": { "tagged_key": { "key": "38b895e642d77f935892ae8c53686a9a5414e350589a474d3aa75715a77c706b", "view_tag": "12" } } }, { "amount": 0, "target": { "tagged_key": { "key": "12b6a907327ea45f8c08bccf5960bc260ef36e9d0008870b2a459b73a3fd5774", "view_tag": "82" } } }, { "amount": 0, "target": { "tagged_key": { "key": "7f39fdd552d367cae8a34986c987ad82b84c3db40be20aa34159d7fbb968f1a4", "view_tag": "25" } } } ], "extra": [ 1, 165, 36, 178, 226, 70, 234, 142, 132, 235, 176, 128, 174, 235, 30, 148, 230, 82, 71, 80, 112, 35, 41, 117, 164, 230, 76, 76, 109, 130, 103, 106, 108, 4, 16, 203, 99, 73, 9, 126, 154, 2, 34, 171, 241, 247, 163, 136, 166, 233, 217, 77, 151, 218, 100, 138, 31, 83, 134, 113, 216, 2, 4, 89, 123, 138, 64, 180, 163, 107, 135, 151, 51, 117, 110, 164, 51, 21, 83, 101, 15, 81, 59, 146, 135, 0, 74, 164, 140, 82, 4, 206, 207, 49, 38, 146, 220, 217, 148, 225, 240, 212, 185, 164, 253, 86, 6, 155, 146, 158, 67, 17, 131, 98, 14, 50, 239, 92, 169, 177, 72, 64, 21, 36, 98, 16, 149, 151, 128, 231, 145, 113, 134, 250, 216, 20, 74, 63, 77, 238, 71, 89, 56, 34, 195, 231, 249, 215, 111, 210, 63, 18, 72, 219, 170, 201, 62, 32, 64, 172, 184, 37, 86, 85, 221, 24, 75, 4, 255, 28, 119, 8, 78, 34, 36, 99, 244, 103, 189, 55, 41, 84, 180, 236, 156, 200, 252, 238, 164, 50, 229, 153, 124, 16, 53, 73, 44, 11, 109, 148, 177, 119, 125, 182, 248, 156, 72, 213, 143, 231, 50, 171, 211, 114, 170, 92, 150, 45, 188, 56, 39, 118, 85, 200, 75, 123, 237, 114, 87, 146, 239, 79, 194, 228, 236, 35, 64, 47, 2, 209, 12, 141, 170, 219, 214, 116, 183, 97, 118, 58, 119, 116, 111, 251, 236, 85, 194, 123, 178, 248, 15, 253, 42, 105, 180, 19, 172, 168, 7, 80, 239, 205, 69, 205, 131, 21, 232, 163, 187, 236, 39, 227, 78, 227, 226, 202, 188, 168, 44, 196, 247, 153, 105, 88, 13, 30, 154, 237, 92, 184, 251, 50, 158, 18, 133, 49, 241, 138, 71, 59, 217, 184, 209, 219, 222, 156, 116, 255, 45, 138, 145, 155, 175, 225, 14, 241, 245, 206, 231, 88, 113, 181, 240, 226, 88, 240, 148, 80, 174, 125, 191, 124, 106, 158, 160, 52, 124, 27, 249, 247, 112, 125, 251, 54, 105, 230, 113, 63, 151, 185, 61, 245, 6, 181, 138, 34, 37, 82, 184, 229, 187, 117, 146, 107, 200, 132, 92, 138, 247, 31, 211, 135, 152, 101, 221, 233, 204, 151, 92, 25, 111, 22, 163, 94, 231, 108, 61, 185, 156, 231, 140, 143, 8, 231, 45, 208, 103, 208, 240, 114, 187, 40, 226, 242, 47, 162, 220, 184, 100, 237, 68, 21, 183, 144, 255, 189, 199, 247, 105, 66, 71, 84, 157, 166, 213, 219, 108, 198, 146, 239, 207, 24, 210, 254, 66, 1, 113, 60, 171, 100, 29, 180, 9, 7, 101, 127, 67, 37, 208, 217, 251, 251, 187, 121, 20, 242, 232, 88, 47, 135, 43, 247, 55, 201, 9, 98, 240, 131, 29, 92, 45, 45, 8, 246, 138, 120, 229, 188, 196, 143, 74, 48, 253, 47, 67, 157, 118, 44, 81, 171, 95, 58, 150, 79, 126, 242, 159, 81, 71, 215, 78, 93, 92, 248, 236, 53, 73, 185, 57, 98, 160, 101, 100, 101, 251, 62, 30, 120, 164, 68, 166, 46, 195, 185, 107, 90, 45, 160, 56, 250, 119, 65, 207, 207, 126, 60, 27 ], "rct_signatures": { "type": 6, "txnFee": 134320000, "ecdhInfo": [ { "trunc_amount": "9fd0dafbccea6616" }, { "trunc_amount": "d19ed5636e393d9f" }, { "trunc_amount": "06e7203170d97edb" }, { "trunc_amount": "47448c6e2696cdca" }, { "trunc_amount": "d3b3fc94168dfe77" }, { "trunc_amount": "e1bff5aca9a58903" }, { "trunc_amount": "fc2ec2beca195f3a" }, { "trunc_amount": "74d309217fe48cc5" }, { "trunc_amount": "5bb459cc06171373" }, { "trunc_amount": "f03ad6e054f38cb7" }, { "trunc_amount": "78a89b794faf7b5c" }, { "trunc_amount": "8bfb638b3425dfef" }, { "trunc_amount": "dafbb7a9693df466" }, { "trunc_amount": "9d36f0adf88e6be3" }, { "trunc_amount": "accc87d3d975143b" }, { "trunc_amount": "0c811ef6e554e6f4" }], "outPk": [ "216383dbb9a0b7411474e252af763732a764fd1f9d5c4bc6cb3850d09031da51", "86e9f117057aac6dbc8c7f523ce4dd76da189f740a8d72c65a39acace4193090", "7dc2dc032118b6e6be8f6baddbf28367f99a6a105a10eead4db4e52ef9f45aa6", "ce023f3cb4dd7a49c1e4c2bd0cb1c581ae2eef856acaa69990cac7eab33fbbe7", "879ff86fea7024ceadb46e3a5c6705026a4941e0e40ff6b1b212cab2ab5b9a85", "2c69dec0de9d35261551ba1ffde16d82ad125df2fb4c841ff4bfc50d98e62e62", "d6a08b9e43267896068df946aba2532390ec9153a9e98c251aa05e59dfb9989e", "0fed9e1b4dbd9d45df21ce9f110bb52eeaf69c5d9d90a833f3948699c1cc8192", "99060ff36c22020565167cb326c6aa54884650a49189872ea542ecb8a0d4cb7f", "9cc810ed5b9663f1313018f5cbb834e23501567ebd562d67830f2e80d7420b4b", "06dd12799dd1efad922b97bdccc4d03cd4d3d300fee5424e82bf4db143b3e36f", "4fb1481f739521e7878eab238d3899f2e5e4a2b267ad8f69d0b66d7b636b59e5", "be87c7a71b03685a19a2355766614fb0097207398c96422d1feb083d50697378", "82caf4b11c168a3e9468413a11353b6e97ec40b9d2620b915129c509a0a4637b", "07a9fe88a0d0f7d30fc15e6e1320edfcaa58ce038e8467e0ad92c1035be6f88e", "d79e8099f28bedf377ba53402609e8e414c41f7f10c2c2ec62f7f65cea0a69c0"] }, "rctsig_prunable": { "nbp": 1, "bpp": [ { "A": "87f62fa82b92ae55552ec4899cc608b3839309e762460871b8226dac37f7f1e7", "A1": "1bdf3dcceeada2b54bbfbc3cdaef7bf5ca26372d9c01d739c7a1e86568369bf9", "B": "153c889ce8d737c26b0171b971e7ed0a7e91c44d53e0c2de6f3a29c6c3ee1442", "r1": "b4712f31a9fa6c6008bd0f7e3c6f19e0a46ab5aa7fdb4227f4c6aa9e0ac33800", "s1": "c4c3f4b13de257e2de6a7eb18f35752cdad647b81b07c84e4ebf76f8b32cd706", "d1": "d9ef963fbc4ead7e00c1ac685d664a498be5dd81468e6564e48191efc1017407", "L": [ "c24c72263f57f7c56ae1da3c3d32f49a46bbbdeab17a1a01ff8bcd2b0b5e5e9e", "d4c11a2cbc747dd4c1eb51c4207ba9e8719bcca626dff44bd7974330795b0c4e", "f73c0089a305499aeca0df2994f38fead26d8c127af5708f3b600fbac7c2e787", "dd4c504eb6082dc66e7496f33f495b563bde49115080ab2ab5d37385439a8919", "ba1e9840b2f98cc9c3adfaaf102d6ad74d2500da5b69d62404f89332fe3f5185", "3898bc1a2c7a3e6001a07d07bb5f36e7d53698fe3e6d00b5aaf09633453d5c4c", "11a2ac1b6a75b4d2a90d62129bbe2d5adb670559f0aa908cd4afa9a24b59a6be", "ea8bb45922ed5b5e70bdfa751b35cfd16cdcf391cd5c0ed63e116f2d96b83918", "239c4357746b39fd2c5e37652aed6c2b6ff4daaa9fc06ba03e1934d4c88e4e24", "ff21b465c228b9475982760cecde6f0164fd3294e861a33b9e47b584dfe54b7a" ], "R": [ "fa99cbbd9fb8e306223e8595c636887bc891d0b5d60e3de18dbbf477f6d503a1", "418d3cd52bd5b7ed406c254cd356ada9e67cfcd9efd067e0351fa70435a1d036", "a2a6d25a51ff5a7ff4b77a35abcaf225ff527c3bc3809b0523c397a516bfaebd", "f7debe3b012ec9f85004582caffa0c21043a4cdbef42d3fa7c3a6975b42e2cec", "4486cd867754af96241e0d87915072e6f81c31e4c03ad17c52067c2ec6bed8c0", "da6c4e3ea11a2192794c1dc61b5e715d4a0e20c126c5122415b2707aed3da11b", "61bfc7e60613992dff23e627e559230d19c4c7981733f8d1d95a66110df1adad", "cc79b6358e69285fd4e86f17fe4c0be81c980de11cd50f7411f948c900a87568", "d74cdf1f875d456c743218426e157705e2e762f90b178f3d70c5f1eaa0a8c642", "062b8347924ac957712eee23c568030fc078f2db2435d733c37de1482befaba2" ] } ], "CLSAGs": [ { "s": [ "d784655b6fe282ddc58f2fc40f39a252eb02d6fa0e447702aafd8718b6703e09", "4ce157948915c16b44b5514ebf7a00bc3fe5756321bae72421a9de573dae9d04", "5ff9f22073e0e8900b0ddd1602d4d67bee684f7d1bebbabf5771f29af6ab6701", "1abcb9f55ad05275065103b4e2ab6b07517666f42e4a1896805ab78df87ac801", "9e5872bd7511b28b58f27223a249eb36a28813ab53d610133521becb8cfbe403", "c3e7a4d2ecc6ff907327d36c5accae58a21fe35b8dbdd53d1c1c37f0690d0e0e", "46c97672f07c0d9b44d09933b00a5ed38c3037be1eeed40bd3220d72332bfc09", "7ec81b3257878f0605d40ec3af65c078a80d19073ebde849ca36f2718090280e", "ea53588e01007c903098760eaafdcb766f3639b4bbc71596e62f434f991e7a04", "7c2db3bfea020c6c47bf17947ba6c33ae333bc2ab9f337ebc9ba574d623dca05", "6fe6e8d03eabad9c683fb45297844993c68edf6c2f9410add7d0c22c4ccc600b", "b40356e8fec69e1a849d0877eae6ec51bf987411b02d306c844048767965ad07", "139c8fe1242569c22f7b0d60ea409009e04e017f5bf4e278085d7bf773f4b904", "efdd528a3e67e03eb7170a4cca4022bbcf458ae06297fef574cc7e00f86e3c02", "f54bdad8523fed74ca672a8591f45bc2d5b8927fb52e6bcdfa94bb944d4b6f0b", "d8188f2993e6a5db8798d1aab4e8fa03b7ceed46d00d983ec473cf9d73fdf902"], "c1": "0ba3ea3fb821be1dd1d59cbaca2121693b4a75a7ddb3f5218992c707c0050109", "D": "469f41e2b7118f606665437b4185969ed238428c3d8a6bd024dfdf03854579f3" }], "pseudoOuts": [ "65c7983ff6046c509c3115fff83abe4452f0392278dab0f79d480814d12cae23"] } }


Less details
source code | moneroexplorer