Arqma Blockchain Explorer

(No Javascript | No Cookies | No Web Analytics Trackers | No Images | Open Sourced)

Server Time: 2026-09-06 19:56:21 | Transaction Pool | Autorefresh is OFF | Go to stagenet explorer | Go to mainnet explorer

Network difficulty: 223000111 | Hard fork: v19 | Hash rate: 1.858 MH/s | Staking Requirement: 100000.000000000 ARQ | Fee: 0.000000050/byte + 0.000090000/output | Median block size limit: 1024.00 kB | Data From 00:00:52 [h:m:s] ago

TX Types Legend: Registration: 🏁 | Contribution: ⚑ | Recommission: 👍 | Decommission: 👎 | Deregister: 🚫 | IP Change Penalty: 📋 | Stake Unlock: 🔓

Arqma emission (fees) is 40230307.239012659 (1053.946361559) as of 2019677 block

Transaction Pool

(No Of TXs: 0, Size: 0.0000 kB, Updated every 5 seconds)

Age [HH:MM:SS] Type Transaction Hash Fee/Per kB In/Out TX Size [kB]

Transactions In Older Blocks

(Median size of 100 blocks: 1024.00 kB)

Height Age [y:d:h:m:s] Size [kB] Type Transaction Hash Fee Outputs In/Out TX Size [kB]
1708937 01:122:09:48:02 0.0996 46fe84879a4288a97ca9c4dfaee7baae16c8d5397cde05ccfcc757360d0d189e N/A 10.183222676 0/1 0.0996
1708936 01:122:09:55:11 0.0996 f0276e0c57cca733f3e53fd30365dcd5c4122f5a4fbd76d53be7fc7c234bd23e N/A 10.183227531 0/1 0.0996
1708935 01:122:09:56:09 0.0996 e7ac674b2006f10d21c0d1d2392a5a35fd139b2f106d1885add964e833ab4ccd N/A 10.183232387 0/1 0.0996
1708934 01:122:09:57:23 0.0996 c5b96ba4b2b753c7e922a065bda85ead6f185919958df6a6a56f67811960d558 N/A 10.183237243 0/1 0.0996
1708933 01:122:09:58:55 0.0996 c02de8cf921066738e3a5348efa7485d384d1fcb2a4e21f37f7808f17e214e7a N/A 10.183242099 0/1 0.0996
1708932 01:122:09:59:57 0.0996 f93b82af5f3c3fe915e569cdc385099f8568bea3b5c2250643d10ba447a59c5f N/A 10.183246954 0/1 0.0996
1708931 01:122:10:00:36 6.7734 607c5af0259133ae06255607bc3f8a098867f7bbe653ecb1c416e3148d77724d N/A 10.183258650 0/1 0.0996
14c51c9c074d52846407cd42b63df95017ac4e19cb128d5581a5dc37f607e4b6 0.000006840 ? 7/2 6.6738
1708930 01:122:10:04:47 0.1641 0ec697d612a6b98d18de5834a90945b3561a33477fa484907317aefab9ecbb86 N/A 10.183256666 0/1 0.1641
1708929 01:122:10:05:24 6.4141 dba81b0d3a5a3fde6b10cc4d7f425393c627cef0459e75080b483f64a79f183e N/A 10.183274462 0/1 0.0996
7536b58b7ac59ce0bbadd12226c7cd5c8dbfff726017ecbfb21dfb75e1c8b2da 0.000005420 ? 2/2 2.6436
1b016d91f9c7d08d74094fedc2b9579d344e3c7b3ee60773a4ca8946401143a4 0.000003760 ? 1/2 1.8350
be2311f75c6fe1c70c347144d03f68f3b6bb7cd6a39ed595b4cbe5b3b0bce2d9 0.000003760 ? 1/2 1.8359
1708928 01:122:10:11:19 0.0996 369cfaf4852a3794cf9abe832947e97efe0f39cd525c18afd6500bc98fa3e502 N/A 10.183266377 0/1 0.0996
1708927 01:122:10:11:36 0.0996 0451e1a287fd7adfb6565e3319c0fc0a9a26977bb84dfe64100ce209930b42b5 N/A 10.183271233 0/1 0.0996
1708926 01:122:10:11:58 11.6689 d800b70cb06e5d95ef0d2eaf093a0f93240f6c4b62e3d52a94321ffab1466530 N/A 10.183287899 0/1 0.1641
27bf8170590948d5d0f564fcc3e7658079ee8034ba6c8470b9a1dd1142777271 0.000011810 ? 13/2 11.5049
1708925 01:122:10:16:28 0.0996 5f0ca2f4d1dc2a9fb3fb5dd6fc75d74d200ab68140b4bd16ba540adf7aa6d367 N/A 10.183280945 0/1 0.0996
1708924 01:122:10:16:52 0.0996 1aac0b2ed9cbaeaa5867aef66c9035f7ac9b911e69d8125f929644c964461f9e N/A 10.183285800 0/1 0.0996
1708923 01:122:10:16:59 0.0996 8a49374497c69dff10e2df85302f05ef1a13c89a13f3eeb36c3b9dea70e3fc19 N/A 10.183290656 0/1 0.0996
1708922 01:122:10:19:34 0.0996 d8709bb948ade9f2004d2c44c7acf9882e8beac2af4c9d09ef7268a13b793c5d N/A 10.183295512 0/1 0.0996
1708921 01:122:10:23:07 0.1641 e12c4b6969c37563aa63ff8f52bba2cd2a91b8d692788536fd3f92d95396b267 N/A 10.183300368 0/1 0.1641
1708920 01:122:10:26:52 0.0996 e1698643da15a5a9dfbe3097561abca1066ebf1e7e9b0909052298053289c46c N/A 10.183305224 0/1 0.0996
1708919 01:122:10:27:47 0.1641 c8649980bcbae3cb4a289c325c858eb714c3dcaaa72ea0d1cd96ad6e6a1160c0 N/A 10.183310079 0/1 0.1641
1708918 01:122:10:31:32 16.7559 e7fc84800350910cb77d24503bee4726bdfead794db33fb2c032b5e471f0df55 N/A 10.183343875 0/1 0.0996
2be7e8ce85ef8b860002b88a5aa1b34ed1e8c67f60b755f41cbbd0d464c7a549 0.000003770 ? 1/2 1.8379
c7340a6099d9a988cf5781180eeaf150305f8d71f6935afb644f91824459c881 0.000005410 ? 2/2 2.6377
1ae0690c545cf3a76b9e15918b7ffaee297ee092264b63fe1c4230efd20a4e45 0.000003760 ? 1/2 1.8340
33f2a218943a65e6714c041179ae30b3e712bff938deda972d95c90e62319abf 0.000005410 ? 2/2 2.6396
9879d6d5308a8d06665046c52fc22e1d5e05fdf9980d41c1d31d0b2223704937 0.000005410 ? 2/2 2.6406
10115d3a08649de56ad751c7ac6e9e8a24037ff28dcf9c59d444cd0800ea40d9 0.000005180 ? 5/2 5.0664
Prev
Current Page: 15537/100983
Next

Service Nodes

0 service nodes awaiting contributions, 2 decommissioned service nodes, and 47 active service nodes.

Service Nodes Awaiting Contributions (0)

Public Key Contributors Operator Fee (%) Contributed Open For Contribution Min. Contribution Expiry Date UTC (Estimated)

Inactive/Decommissioned Service Nodes (2)

(These service nodes are currently decommissioned for failing network obligations, are not earning rewards, and face deregistration soon)

Public Key Contributors Operator Fee (%) Decommission Height Last Uptime Proof Blocks until Dereg.
5a67c6e399571ec4665cc61cc19a5e84eeab60cf51c4f75fac5eea24a33d87e0 2/12 60 2001666 08:21:18:14 None (deregistration imminent!)
cf8f65a97c31057a45dec63b065e23d0763c1ea88c7282fafd738e3e090ef01b 2/12 70 2001666 07:21:30:53 None (deregistration imminent!)

Active Service Nodes (47)

Public Key Contributors Operator Fee (%) Staking Requirement Last Reward Height Last Uptimr Proof Expiry Date UTC (Estimated)
050e45639e86a90ca465c5194642d9fee300ac170acdbb2c0144fc8ebaaf6b82 2/12 50 100000.000000000 2019631 05:03:01 Staking Infinitely
3a695a55e9442573865950ec85b393e7ade3a76690b62d0e992f32f246943bd1 1/12 100000.000000000 2019632 06:13:37 Staking Infinitely
848ad910440f790d4a687cad83b333f99dec1fb47bae617c7a02db65b2f1c244 2/12 30 100000.000000000 2019633 01:17:54:48 Staking Infinitely
c99d98eadc123984ca4f9042e6e2e3460e43467a7136f61f7f0960ef92fec01e 1/12 100000.000000000 2019634 00:26:54 Staking Infinitely
28f7c771d9cd63b4c3d5c8261c153f7e05f23f67a562dc5c39635445e1d1d268 1/12 100000.000000000 2019635 00:31:51 Staking Infinitely
c442b8c2be6b9175211390d4dbf3d3c6b9c8132517335eabbffce8b68da71b36 1/12 100000.000000000 2019636 00:14:12 Staking Infinitely
76e3e01fe63166ca4e448a2d9353486dbf966804c0eb51437d135fdd93e3eb3f 1/12 100000.000000000 2019637 00:29:54 Staking Infinitely
af591de4390b7c96bab0312158a390b186bf4064e306538b51b5621bbc314185 2/12 60 100000.000000000 2019638 00:41:12 Staking Infinitely
aa78babccc4e6e29d3becac648489e6da5c375ae22566dd9cc65880210d81539 1/12 100000.000000000 2019639 00:19:49 Staking Infinitely
75ed97a747c6b790917a62befd733ec67df8a7b5a9861baa432521eaa788d2e2 3/12 50 100000.000000000 2019640 00:32:06 Staking Infinitely
+ 37 more ↪

click here to see the full service node lists (at most only 10 of each list are shown here)

Uptime quorum for height 2019675)

Public Key Last Uptime Proof Expiry Date UTC (Estimated)
Validators 10:
0: 4a407bb5161d9ad488e4feb1ce4870d5076d223d24160476275f2e292c290d21 00:54:19 Staking Infinitely (N/A)
1: c338966f59c208f065e570e4631dced159118467b174e2cadc0bd59ff4768987 00:32:52 Staking Infinitely (N/A)
2: 30f9c742e16707fb9b0c9c2078ed750595e297e4a0f75b972794766e25447cfc 00:29:02 Staking Infinitely (N/A)
3: 81ea05da87ecfe7d707a13ded483e5a0ee257c3ff802cd01742185bc87d803d9 00:54:22 Staking Infinitely (N/A)
4: 2f235e88eada0dcabd49b9f2ee0fcd1002dbfabfe7dc273dc445e1e8abc220c0 00:54:07 Staking Infinitely (N/A)
5: af591de4390b7c96bab0312158a390b186bf4064e306538b51b5621bbc314185 00:41:12 Staking Infinitely (N/A)
6: e9ce4cbc023dd13600dd1b84e811838cccc09a169ab6cb51f537481242bddb1a 00:22:16 Staking Infinitely (N/A)
7: c442b8c2be6b9175211390d4dbf3d3c6b9c8132517335eabbffce8b68da71b36 00:14:12 Staking Infinitely (N/A)
8: 80a869c7963e4c92ccd1032749e29b33e7e943f4e70cbe8d9a3110115a0a53e3 00:07:24 Staking Infinitely (N/A)
9: 3a695a55e9442573865950ec85b393e7ade3a76690b62d0e992f32f246943bd1 06:13:37 Staking Infinitely (N/A)
Nodes to test (39):
0: c98ab9fca45aec5e9c8ea6f7dd0660b3567e3691d3cfbc4e4b035e737706160b 00:09:30 Staking Infinitely (N/A)
1: c9839bdce086483c6fae8ede8600e4410c5dcd2a431148689480ddfd4c6c9363 01:04:02:26 Staking Infinitely (N/A)
2: 139595b1c4670eb35a9cc6d32b6c351c53422d6ebf9405d0e2de6edb09afa5f2 01:29:29 Staking Infinitely (N/A)
3: 83b11eca71c4a2d77d256304fd422493ed4d290e3cb084bf76758d239fe9a0b4 00:54:42 Staking Infinitely (N/A)
4: d3e9da49cf45266c3a0270253b0e2921dcbf939cfa52e5de31130d9ef5fb921d 23:04:57 Staking Infinitely (N/A)
5: bf84fec11377bd3f6a46c27484a8f46050274067047fefe4b15cfd566d68a671 00:49:31 Staking Infinitely (N/A)
6: c93716c955d7ced8be22fb112a0344fabde019949f2b26fedff327172ba6a973 00:19:21 Staking Infinitely (N/A)
7: 75ed97a747c6b790917a62befd733ec67df8a7b5a9861baa432521eaa788d2e2 00:32:06 Staking Infinitely (N/A)
8: 45f9349a3ceee3a75d6142204286d37dacf81c1f9ec01a65e7b716269726635d 00:20:21 Staking Infinitely (N/A)
9: afb246351ed7e9eadff997ae1ebcfcdd297bfabfc15398a8202ffcf1e3ceeb54 00:31:18 Staking Infinitely (N/A)
+ 29 more ↪

Uptime quorum for height 2019674)

Public Key Last Uptime Proof Expiry Date UTC (Estimated)
Validators 10:
0: afb246351ed7e9eadff997ae1ebcfcdd297bfabfc15398a8202ffcf1e3ceeb54 00:31:18 Staking Infinitely (N/A)
1: e9ce4cbc023dd13600dd1b84e811838cccc09a169ab6cb51f537481242bddb1a 00:22:16 Staking Infinitely (N/A)
2: 2083e7a16cef72aced08ba92106bf9cff6725bede937ff82c1156fd7fa2f3c7a 00:42:28 Staking Infinitely (N/A)
3: 4a9a479460d135c51723254462919ff51e4b692f2bc4aedafb26316494f45a64 11:31:54 Staking Infinitely (N/A)
4: ca0113d6999df9187b7959b602c7557cf9658a274fd89948c5aead79eb95a510 00:30:45 Staking Infinitely (N/A)
5: c6c5fce08eef76dca701248665f0586f83da2243ba13781899abc525b3572063 00:31:42 Staking Infinitely (N/A)
6: 2f235e88eada0dcabd49b9f2ee0fcd1002dbfabfe7dc273dc445e1e8abc220c0 00:54:07 Staking Infinitely (N/A)
7: f9e9aa7608c8c134ff9c14ef92488c122b947fd27d8cfe31d6745546c462665b 00:42:45 Staking Infinitely (N/A)
8: 0a23d89cbd41b85c5bffec0f53289536393e1a91a6537caf7b2064d97f92f7bb 02:14:01:35 Staking Infinitely (N/A)
9: c338966f59c208f065e570e4631dced159118467b174e2cadc0bd59ff4768987 00:32:52 Staking Infinitely (N/A)
Nodes to test (39):
0: b98ee2847b18dc4e46be8e384d59157a67a5366ee8b03553c519b520e147ef65 00:32:31 Staking Infinitely (N/A)
1: a382ea37422bc7715fb954fd567ae77c7b8db3bf92a2d4ac48025e0122832641 04:33:37 Staking Infinitely (N/A)
2: af591de4390b7c96bab0312158a390b186bf4064e306538b51b5621bbc314185 00:41:12 Staking Infinitely (N/A)
3: 30f9c742e16707fb9b0c9c2078ed750595e297e4a0f75b972794766e25447cfc 00:29:02 Staking Infinitely (N/A)
4: d3e9da49cf45266c3a0270253b0e2921dcbf939cfa52e5de31130d9ef5fb921d 23:04:57 Staking Infinitely (N/A)
5: 5a67c6e399571ec4665cc61cc19a5e84eeab60cf51c4f75fac5eea24a33d87e0 08:21:18:14 Staking Infinitely (N/A)
6: 53b13c3b12f633765fad6a3af5e9910067af666c8c35940a5d0190ef05e86016 00:26:06 Staking Infinitely (N/A)
7: f0e1913158cd650f98270490ded011fc138bb0a18bce9dcb796276b58f32340a 00:31:24 Staking Infinitely (N/A)
8: 81ea05da87ecfe7d707a13ded483e5a0ee257c3ff802cd01742185bc87d803d9 00:54:22 Staking Infinitely (N/A)
9: 33ef2ff577821dfc3e8ba0b6a7b62759f092c53d798cc1a9c5ba85f59f549efc 00:29:36 Staking Infinitely (N/A)
+ 29 more ↪

Uptime quorum for height 2019673)

Public Key Last Uptime Proof Expiry Date UTC (Estimated)
Validators 10:
0: c9839bdce086483c6fae8ede8600e4410c5dcd2a431148689480ddfd4c6c9363 01:04:02:26 Staking Infinitely (N/A)
1: af591de4390b7c96bab0312158a390b186bf4064e306538b51b5621bbc314185 00:41:12 Staking Infinitely (N/A)
2: ab1264fe8acaba585069c1fb0afe0804a97bc00ef269c17231b7994024851111 02:19:41 Staking Infinitely (N/A)
3: 848ad910440f790d4a687cad83b333f99dec1fb47bae617c7a02db65b2f1c244 01:17:54:48 Staking Infinitely (N/A)
4: 361f463346d3409705042d85617b51e1c61f8821cc3c21f16ce9034d5b761c1f 00:31:46 Staking Infinitely (N/A)
5: 83b11eca71c4a2d77d256304fd422493ed4d290e3cb084bf76758d239fe9a0b4 00:54:42 Staking Infinitely (N/A)
6: bf84fec11377bd3f6a46c27484a8f46050274067047fefe4b15cfd566d68a671 00:49:31 Staking Infinitely (N/A)
7: c98ab9fca45aec5e9c8ea6f7dd0660b3567e3691d3cfbc4e4b035e737706160b 00:09:30 Staking Infinitely (N/A)
8: a382ea37422bc7715fb954fd567ae77c7b8db3bf92a2d4ac48025e0122832641 04:33:37 Staking Infinitely (N/A)
9: f0e1913158cd650f98270490ded011fc138bb0a18bce9dcb796276b58f32340a 00:31:24 Staking Infinitely (N/A)
Nodes to test (39):
0: 4a9a479460d135c51723254462919ff51e4b692f2bc4aedafb26316494f45a64 11:31:54 Staking Infinitely (N/A)
1: c93716c955d7ced8be22fb112a0344fabde019949f2b26fedff327172ba6a973 00:19:21 Staking Infinitely (N/A)
2: afb246351ed7e9eadff997ae1ebcfcdd297bfabfc15398a8202ffcf1e3ceeb54 00:31:18 Staking Infinitely (N/A)
3: ca0113d6999df9187b7959b602c7557cf9658a274fd89948c5aead79eb95a510 00:30:45 Staking Infinitely (N/A)
4: b98ee2847b18dc4e46be8e384d59157a67a5366ee8b03553c519b520e147ef65 00:32:31 Staking Infinitely (N/A)
5: 76e3e01fe63166ca4e448a2d9353486dbf966804c0eb51437d135fdd93e3eb3f 00:29:54 Staking Infinitely (N/A)
6: d3e9da49cf45266c3a0270253b0e2921dcbf939cfa52e5de31130d9ef5fb921d 23:04:57 Staking Infinitely (N/A)
7: cf8f65a97c31057a45dec63b065e23d0763c1ea88c7282fafd738e3e090ef01b 07:21:30:53 Staking Infinitely (N/A)
8: 5d21979e8b9332bfc583b3855b5e1b047080dce4609a21454595892ca797f514 00:17:26 Staking Infinitely (N/A)
9: 2c9277494767de038291669f392ceb66b3889c23c574ab42db08e0b48ee8a7bf 01:43:22 Staking Infinitely (N/A)
+ 29 more ↪

Checkpoint quorum for height 2019676 (determined by block 2019665)

Public Key Last Uptime Proof Expiry Date UTC (Estimated)
0: 0a23d89cbd41b85c5bffec0f53289536393e1a91a6537caf7b2064d97f92f7bb 02:14:01:35 Staking Infinitely (N/A)
1: ab1264fe8acaba585069c1fb0afe0804a97bc00ef269c17231b7994024851111 02:19:41 Staking Infinitely (N/A)
2: 45f9349a3ceee3a75d6142204286d37dacf81c1f9ec01a65e7b716269726635d 00:20:21 Staking Infinitely (N/A)
3: 2c9277494767de038291669f392ceb66b3889c23c574ab42db08e0b48ee8a7bf 01:43:22 Staking Infinitely (N/A)
4: c93716c955d7ced8be22fb112a0344fabde019949f2b26fedff327172ba6a973 00:19:21 Staking Infinitely (N/A)
5: 28f7c771d9cd63b4c3d5c8261c153f7e05f23f67a562dc5c39635445e1d1d268 00:31:51 Staking Infinitely (N/A)
6: c98ab9fca45aec5e9c8ea6f7dd0660b3567e3691d3cfbc4e4b035e737706160b 00:09:30 Staking Infinitely (N/A)
7: 80a869c7963e4c92ccd1032749e29b33e7e943f4e70cbe8d9a3110115a0a53e3 00:07:24 Staking Infinitely (N/A)
8: a382ea37422bc7715fb954fd567ae77c7b8db3bf92a2d4ac48025e0122832641 04:33:37 Staking Infinitely (N/A)
9: c99d98eadc123984ca4f9042e6e2e3460e43467a7136f61f7f0960ef92fec01e 00:26:54 Staking Infinitely (N/A)
10: b98ee2847b18dc4e46be8e384d59157a67a5366ee8b03553c519b520e147ef65 00:32:31 Staking Infinitely (N/A)
11: ca0113d6999df9187b7959b602c7557cf9658a274fd89948c5aead79eb95a510 00:30:45 Staking Infinitely (N/A)
12: f0e1913158cd650f98270490ded011fc138bb0a18bce9dcb796276b58f32340a 00:31:24 Staking Infinitely (N/A)
13: d3e9da49cf45266c3a0270253b0e2921dcbf939cfa52e5de31130d9ef5fb921d 23:04:57 Staking Infinitely (N/A)
14: 76e3e01fe63166ca4e448a2d9353486dbf966804c0eb51437d135fdd93e3eb3f 00:29:54 Staking Infinitely (N/A)
15: 2083e7a16cef72aced08ba92106bf9cff6725bede937ff82c1156fd7fa2f3c7a 00:42:28 Staking Infinitely (N/A)
16: 30f9c742e16707fb9b0c9c2078ed750595e297e4a0f75b972794766e25447cfc 00:29:02 Staking Infinitely (N/A)
17: afb246351ed7e9eadff997ae1ebcfcdd297bfabfc15398a8202ffcf1e3ceeb54 00:31:18 Staking Infinitely (N/A)
18: c442b8c2be6b9175211390d4dbf3d3c6b9c8132517335eabbffce8b68da71b36 00:14:12 Staking Infinitely (N/A)
19: 53b13c3b12f633765fad6a3af5e9910067af666c8c35940a5d0190ef05e86016 00:26:06 Staking Infinitely (N/A)

Note: The quorum shown here is the currently active voting height which is not necessarily the latest quorum. Quorums can only be voted on after a number of blocks have transpired.

Click here to see the last 1hrs worth of the stored quorum states

Last 5 checkpoints

Height Block hash Checkpoint Quorum
2019676 122d54fd9aaaffd815bc36cf031f355758e53f1098c12f3765c9217bab4fa816 2019676; 11/20 signatures: x x ✓ x x ✓ ✓ x x ✓ ✓ ✓ ✓ x ✓ x ✓ x ✓ ✓
2019672 0e792fff862d933454a62760881608d90370d8f1e315a9ff6380f3773475321c 2019672; 10/20 signatures: ✓ ✓ ✓ ✓ ✓ ✓ ✓ x x ✓ x ✓ x x x x x x x ✓
2019660 31bf5e7d48aba922e4fb05592d92134e7eb58bb02640c1243b74d63f502611cd 2019660; 7/20 signatures: x ✓ x ✓ x x x x ✓ ✓ x ✓ ✓ ✓ x x x x x x
2019600 00094a8bb8be3c5e507c345b16927c58edc2f11e8c512dd9eef4f7d7ad9164ad 2019600; 6/20 signatures: x x x ✓ x x x ✓ x x ✓ x x ✓ x ✓ x ✓ x x
2019540 226bc427c66ed4663a86f1bfb6a958ecb7fae6a3b59c4ccb152be0d5497384c2 2019540; 9/20 signatures: ✓ x ✓ ✓ x ✓ ✓ ✓ x x ✓ ✓ x x x x ✓ x x x

Check here to see the last 50 checkpoints

No javascript / No web analytics trackers / No cookies / No external resources / Open Sourced
Explorer Version (api): patches-2025-08-25-05fdb31 (8.0) Arqma Version: 10.0.0-4b067e8c_Release
Latest source code
Forked from: onion-monero-blockchain-explorer
Copyright (C), 2019-2025 arqma.com