Arqma Blockchain Explorer

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

Server Time: 2026-09-06 06:54:53 | Transaction Pool | Autorefresh is OFF | Go to stagenet explorer | Go to mainnet explorer

Network difficulty: 132000055 | Hard fork: v19 | Hash rate: 1.100 MH/s | Staking Requirement: 100000.000000000 ARQ | Fee: 0.000000050/byte + 0.000090000/output | Median block size limit: 1024.00 kB | Data From 00:00:25 [h:m:s] ago

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

Arqma emission (fees) is 40218736.239012659 (1053.928485809) as of 2019278 block

Transaction Pool

(No Of TXs: 4, Size: 7.6621 kB, Updated every 5 seconds)

Age [HH:MM:SS] Type Transaction Hash Fee/Per kB In/Out TX Size [kB]
00:04:47 dee9c99a916ca75f38fb2e34c33d2e237be98d6b432b9f758088673c97e7135c 0.0003/0.0001 2/2 1.92
00:04:48 173a1c8609afcf31a3b85e26da79c5278e23d1c1c6bccb2d97212a8f6ecb8e7f 0.0003/0.0001 2/2 1.91
00:04:49 123a09c48347830c651c972c4d360d065e3869cebb11521cb8ae88322628895c 0.0003/0.0001 2/2 1.92
00:04:50 9a80bd46cf7c5a745246b149874f71c6ec7f5580af68b8df0d635ad8e3f3f65a 0.0003/0.0001 2/2 1.92

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]
1417898 02:175:05:13:41 0.0996 4417ba5434fe5b79cf523f7904e442dc4db9191dd418c27626ab481f9ba9fa35 N/A 11.699191924 0/1 0.0996
1417897 02:175:05:13:54 0.0996 bf2f1ad2a25258ce973bd199cf1db77e0038a63c129724846bf40e95a4f46c3a N/A 11.699197503 0/1 0.0996
1417896 02:175:05:15:11 0.0996 c05cc81ae16e0440f14f7295c7fdb3fbd66e861f2087ee5ef4105ac07666e79a N/A 11.699203081 0/1 0.0996
1417895 02:175:05:17:41 0.0996 fd0d20789a238e83e706a70786a66eeac96789782c405753cff1fcb1f9fde402 N/A 11.699208660 0/1 0.0996
1417894 02:175:05:18:37 0.0996 725d058d03f1830c46880b3b891272a6602626d44070186a5fbac8a20cf35383 N/A 11.699214239 0/1 0.0996
1417893 02:175:05:21:36 10.0469 e100e76c56da25c1fe7979b3d1538341e45ad8f6216b05838c35367b685ac58b N/A 11.699229917 0/1 0.0996
91642c71dfa51aa2fb5172fe4d897e368a16792d68a042769739303aad16af5f 0.000002680 ? 2/2 2.6328
6fcb216eb6fe85c631dfad92c48850e08ae42718be9a6be9d81476c89d0df074 0.000001860 ? 1/2 1.8320
7752f49dbf957f9da516ced0caa044d824da339aea6c76fe625d2a8075671f16 0.000001850 ? 1/2 1.8223
2725e5bc92e98125b9d1a8fcd79c5411958eaa2ab4a21eb591e78142c121baaa 0.000001860 ? 1/2 1.8350
898ad39bf6dc4ff5fa41ea452687877a4710a1177435693853fc0f074d98dd22 0.000001850 ? 1/2 1.8252
1417892 02:175:05:23:52 0.0996 21c9cd3cc10ec3f4e336850a65a9dbcf4ee32378213d8f0bb95b555536b166d6 N/A 11.699225396 0/1 0.0996
1417891 02:175:05:25:42 0.0996 4449fddede9d73696da9b8e24f67ff03ff9bc098858aad8b07bfc4b8d24ea5ab N/A 11.699230975 0/1 0.0996
1417890 02:175:05:26:20 0.0996 fcc7393c6f52d43cc332f7cec78ef0725449489f261ec3bb252fd41afa06d17f N/A 11.699236553 0/1 0.0996
1417889 02:175:05:29:12 0.0996 cd7e1c6b3461232506cf5a12d9012068ac05c5e54904b6a56189a68d349901e3 N/A 11.699242132 0/1 0.0996
1417888 02:175:05:29:50 0.0996 dd2fdd5734f5c9442f4e2c79f5dd89028808b95be4970980522e7acc96117d8a N/A 11.699247710 0/1 0.0996
1417887 02:175:05:30:10 9.2021 bc4f5b44dcdedaa60f177e1b9b9c82703630781a2ad04057d343c96c966dc625 N/A 11.699262609 0/1 0.0996
4a0294037077f75274c0eba849011159ff31556c3f8ba343c1347caebefd5e42 0.000009320 ? 10/2 9.1025
1417886 02:175:05:31:51 0.0996 eb99fd04acfc22f8569f4a265c5adf6cde0b623368cacd96cea674f399b5c650 N/A 11.699258868 0/1 0.0996
1417885 02:175:05:31:57 0.0996 7e141c423972410bb972b328fb330e3722c5cc40fa85255228c18412f81c4578 N/A 11.699264446 0/1 0.0996
1417884 02:175:05:32:52 11.6152 96b4d79b60438766e61ddb410665178e48b30e3da93f61f226260ace2f7c074d N/A 11.699281835 0/1 0.0996
7141d04cb7a7d5e7ed6c41bb33fca5bb65dd948363b5871634d542518c304d89 0.000011810 ? 13/2 11.5156
1417883 02:175:05:33:31 0.0996 0565bc5c6308db59569820c9191698bab52c419014608e0d381eff5c867b22b0 N/A 11.699275604 0/1 0.0996
1417882 02:175:05:33:37 0.0996 a0481ea9e105006b9bd40fe2a2eb414aab98f5c99f8ac7bef44d386deaf9d0f2 N/A 11.699281182 0/1 0.0996
1417881 02:175:05:34:18 0.0996 99a59fb11fa317ec7a98cce32d62df4a9d98654eb6307b86e6bb11b46e1660f8 N/A 11.699286761 0/1 0.0996
1417880 02:175:05:37:00 0.0996 e8371a6b9804fcd14af83f9c4cd32936d56bbea8047d554c9f3a2b3885eeb02d N/A 11.699292340 0/1 0.0996
1417879 02:175:05:44:09 0.0996 0930e3c789f6f2106ad308bac4e708b75ee2f1f4c8e32133f950620fabfb35b8 N/A 11.699297918 0/1 0.0996
Prev
Current Page: 30069/100963
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 08:08:16:46 None (deregistration imminent!)
cf8f65a97c31057a45dec63b065e23d0763c1ea88c7282fafd738e3e090ef01b 2/12 70 2001666 07:08:29:25 None (deregistration imminent!)

Active Service Nodes (47)

Public Key Contributors Operator Fee (%) Staking Requirement Last Reward Height Last Uptimr Proof Expiry Date UTC (Estimated)
781efae048bb90829a0c7ce9f4c9c34e572d236955e91f4b3c86a85effa632d5 3/12 50 100000.000000000 2019232 00:52:05 Staking Infinitely
94b370885630009cbe68165b641e51343bcb90aba151434230424f6e3ec4a6d2 2/12 66 100000.000000000 2019233 00:42:00 Staking Infinitely
30f9c742e16707fb9b0c9c2078ed750595e297e4a0f75b972794766e25447cfc 1/12 100000.000000000 2019234 00:27:41 Staking Infinitely
4a9a479460d135c51723254462919ff51e4b692f2bc4aedafb26316494f45a64 2/12 50 100000.000000000 2019235 05:00:49 Staking Infinitely
64704fc7e91c0d73d5a05f608f0899b45e99fa711383057dcc59064a98c257ab 4/12 66 100000.000000000 2019236 00:50:21 Staking Infinitely
c338966f59c208f065e570e4631dced159118467b174e2cadc0bd59ff4768987 4/12 50 100000.000000000 2019237 00:32:48 Staking Infinitely
d3e9da49cf45266c3a0270253b0e2921dcbf939cfa52e5de31130d9ef5fb921d 4/12 50 100000.000000000 2019238 10:03:29 Staking Infinitely
53b13c3b12f633765fad6a3af5e9910067af666c8c35940a5d0190ef05e86016 1/12 100000.000000000 2019239 00:24:45 Staking Infinitely
2083e7a16cef72aced08ba92106bf9cff6725bede937ff82c1156fd7fa2f3c7a 1/12 100000.000000000 2019240 09:22:16 Staking Infinitely
ca0113d6999df9187b7959b602c7557cf9658a274fd89948c5aead79eb95a510 1/12 100000.000000000 2019241 00:29:22 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 2019276)

Public Key Last Uptime Proof Expiry Date UTC (Estimated)
Validators 10:
0: 81ea05da87ecfe7d707a13ded483e5a0ee257c3ff802cd01742185bc87d803d9 00:53:14 Staking Infinitely (N/A)
1: f9e9aa7608c8c134ff9c14ef92488c122b947fd27d8cfe31d6745546c462665b 00:41:24 Staking Infinitely (N/A)
2: 45f9349a3ceee3a75d6142204286d37dacf81c1f9ec01a65e7b716269726635d 00:19:29 Staking Infinitely (N/A)
3: 781efae048bb90829a0c7ce9f4c9c34e572d236955e91f4b3c86a85effa632d5 00:52:05 Staking Infinitely (N/A)
4: aa78babccc4e6e29d3becac648489e6da5c375ae22566dd9cc65880210d81539 00:18:29 Staking Infinitely (N/A)
5: afb246351ed7e9eadff997ae1ebcfcdd297bfabfc15398a8202ffcf1e3ceeb54 12:26:56 Staking Infinitely (N/A)
6: a382ea37422bc7715fb954fd567ae77c7b8db3bf92a2d4ac48025e0122832641 01:42:29 Staking Infinitely (N/A)
7: 139595b1c4670eb35a9cc6d32b6c351c53422d6ebf9405d0e2de6edb09afa5f2 01:23:47 Staking Infinitely (N/A)
8: 0a23d89cbd41b85c5bffec0f53289536393e1a91a6537caf7b2064d97f92f7bb 02:01:00:07 Staking Infinitely (N/A)
9: 848ad910440f790d4a687cad83b333f99dec1fb47bae617c7a02db65b2f1c244 01:04:53:20 Staking Infinitely (N/A)
Nodes to test (39):
0: 361f463346d3409705042d85617b51e1c61f8821cc3c21f16ce9034d5b761c1f 00:31:48 Staking Infinitely (N/A)
1: 2c9277494767de038291669f392ceb66b3889c23c574ab42db08e0b48ee8a7bf 00:38:13 Staking Infinitely (N/A)
2: 2f235e88eada0dcabd49b9f2ee0fcd1002dbfabfe7dc273dc445e1e8abc220c0 00:52:59 Staking Infinitely (N/A)
3: 4a407bb5161d9ad488e4feb1ce4870d5076d223d24160476275f2e292c290d21 04:48:23 Staking Infinitely (N/A)
4: 28f7c771d9cd63b4c3d5c8261c153f7e05f23f67a562dc5c39635445e1d1d268 00:30:28 Staking Infinitely (N/A)
5: 53b13c3b12f633765fad6a3af5e9910067af666c8c35940a5d0190ef05e86016 00:24:45 Staking Infinitely (N/A)
6: ab1264fe8acaba585069c1fb0afe0804a97bc00ef269c17231b7994024851111 01:14:24 Staking Infinitely (N/A)
7: d3e9da49cf45266c3a0270253b0e2921dcbf939cfa52e5de31130d9ef5fb921d 10:03:29 Staking Infinitely (N/A)
8: 64704fc7e91c0d73d5a05f608f0899b45e99fa711383057dcc59064a98c257ab 00:50:21 Staking Infinitely (N/A)
9: c442b8c2be6b9175211390d4dbf3d3c6b9c8132517335eabbffce8b68da71b36 00:12:51 Staking Infinitely (N/A)
+ 29 more ↪

Uptime quorum for height 2019275)

Public Key Last Uptime Proof Expiry Date UTC (Estimated)
Validators 10:
0: b42fb5a319f9ef592ada30e483b64431d05386ba5692727d0e64a15802be3ef5 00:31:46 Staking Infinitely (N/A)
1: 75ed97a747c6b790917a62befd733ec67df8a7b5a9861baa432521eaa788d2e2 00:32:05 Staking Infinitely (N/A)
2: c9839bdce086483c6fae8ede8600e4410c5dcd2a431148689480ddfd4c6c9363 15:00:58 Staking Infinitely (N/A)
3: b98ee2847b18dc4e46be8e384d59157a67a5366ee8b03553c519b520e147ef65 00:31:23 Staking Infinitely (N/A)
4: c99d98eadc123984ca4f9042e6e2e3460e43467a7136f61f7f0960ef92fec01e 00:25:31 Staking Infinitely (N/A)
5: e9ce4cbc023dd13600dd1b84e811838cccc09a169ab6cb51f537481242bddb1a 00:21:09 Staking Infinitely (N/A)
6: c442b8c2be6b9175211390d4dbf3d3c6b9c8132517335eabbffce8b68da71b36 00:12:51 Staking Infinitely (N/A)
7: 139595b1c4670eb35a9cc6d32b6c351c53422d6ebf9405d0e2de6edb09afa5f2 01:23:47 Staking Infinitely (N/A)
8: 45f9349a3ceee3a75d6142204286d37dacf81c1f9ec01a65e7b716269726635d 00:19:29 Staking Infinitely (N/A)
9: 0a23d89cbd41b85c5bffec0f53289536393e1a91a6537caf7b2064d97f92f7bb 02:01:00:07 Staking Infinitely (N/A)
Nodes to test (39):
0: 3a695a55e9442573865950ec85b393e7ade3a76690b62d0e992f32f246943bd1 08:22:42 Staking Infinitely (N/A)
1: 76e3e01fe63166ca4e448a2d9353486dbf966804c0eb51437d135fdd93e3eb3f 00:28:32 Staking Infinitely (N/A)
2: c6c5fce08eef76dca701248665f0586f83da2243ba13781899abc525b3572063 00:31:38 Staking Infinitely (N/A)
3: 3cb0bba8f15c0902db46604f9fb6badeb0f611a645e4b29fb899342107c1f8c7 02:44:35 Staking Infinitely (N/A)
4: 94b370885630009cbe68165b641e51343bcb90aba151434230424f6e3ec4a6d2 00:42:00 Staking Infinitely (N/A)
5: af591de4390b7c96bab0312158a390b186bf4064e306538b51b5621bbc314185 05:00:54 Staking Infinitely (N/A)
6: 83b11eca71c4a2d77d256304fd422493ed4d290e3cb084bf76758d239fe9a0b4 00:53:34 Staking Infinitely (N/A)
7: 30f3281710c23bb2c9b11a8bc0a3f63876ad2d974a55f08db00dde2f1fce4f3e 00:53:23 Staking Infinitely (N/A)
8: bf84fec11377bd3f6a46c27484a8f46050274067047fefe4b15cfd566d68a671 00:48:25 Staking Infinitely (N/A)
9: f9e9aa7608c8c134ff9c14ef92488c122b947fd27d8cfe31d6745546c462665b 00:41:24 Staking Infinitely (N/A)
+ 29 more ↪

Uptime quorum for height 2019274)

Public Key Last Uptime Proof Expiry Date UTC (Estimated)
Validators 10:
0: 139595b1c4670eb35a9cc6d32b6c351c53422d6ebf9405d0e2de6edb09afa5f2 01:23:47 Staking Infinitely (N/A)
1: 4a9a479460d135c51723254462919ff51e4b692f2bc4aedafb26316494f45a64 05:00:49 Staking Infinitely (N/A)
2: 0a23d89cbd41b85c5bffec0f53289536393e1a91a6537caf7b2064d97f92f7bb 02:01:00:07 Staking Infinitely (N/A)
3: c338966f59c208f065e570e4631dced159118467b174e2cadc0bd59ff4768987 00:32:48 Staking Infinitely (N/A)
4: aa78babccc4e6e29d3becac648489e6da5c375ae22566dd9cc65880210d81539 00:18:29 Staking Infinitely (N/A)
5: 361f463346d3409705042d85617b51e1c61f8821cc3c21f16ce9034d5b761c1f 00:31:48 Staking Infinitely (N/A)
6: ab1264fe8acaba585069c1fb0afe0804a97bc00ef269c17231b7994024851111 01:14:24 Staking Infinitely (N/A)
7: 3a695a55e9442573865950ec85b393e7ade3a76690b62d0e992f32f246943bd1 08:22:42 Staking Infinitely (N/A)
8: 94b370885630009cbe68165b641e51343bcb90aba151434230424f6e3ec4a6d2 00:42:00 Staking Infinitely (N/A)
9: c9839bdce086483c6fae8ede8600e4410c5dcd2a431148689480ddfd4c6c9363 15:00:58 Staking Infinitely (N/A)
Nodes to test (39):
0: 75ed97a747c6b790917a62befd733ec67df8a7b5a9861baa432521eaa788d2e2 00:32:05 Staking Infinitely (N/A)
1: 30f3281710c23bb2c9b11a8bc0a3f63876ad2d974a55f08db00dde2f1fce4f3e 00:53:23 Staking Infinitely (N/A)
2: 050e45639e86a90ca465c5194642d9fee300ac170acdbb2c0144fc8ebaaf6b82 09:22:34 Staking Infinitely (N/A)
3: 4a407bb5161d9ad488e4feb1ce4870d5076d223d24160476275f2e292c290d21 04:48:23 Staking Infinitely (N/A)
4: 76e3e01fe63166ca4e448a2d9353486dbf966804c0eb51437d135fdd93e3eb3f 00:28:32 Staking Infinitely (N/A)
5: af591de4390b7c96bab0312158a390b186bf4064e306538b51b5621bbc314185 05:00:54 Staking Infinitely (N/A)
6: c99d98eadc123984ca4f9042e6e2e3460e43467a7136f61f7f0960ef92fec01e 00:25:31 Staking Infinitely (N/A)
7: a382ea37422bc7715fb954fd567ae77c7b8db3bf92a2d4ac48025e0122832641 01:42:29 Staking Infinitely (N/A)
8: 28f7c771d9cd63b4c3d5c8261c153f7e05f23f67a562dc5c39635445e1d1d268 00:30:28 Staking Infinitely (N/A)
9: 64704fc7e91c0d73d5a05f608f0899b45e99fa711383057dcc59064a98c257ab 00:50:21 Staking Infinitely (N/A)
+ 29 more ↪

Checkpoint quorum for height 2019276 (determined by block 2019265)

Public Key Last Uptime Proof Expiry Date UTC (Estimated)
0: 33ef2ff577821dfc3e8ba0b6a7b62759f092c53d798cc1a9c5ba85f59f549efc 00:28:13 Staking Infinitely (N/A)
1: c98ab9fca45aec5e9c8ea6f7dd0660b3567e3691d3cfbc4e4b035e737706160b 00:09:23 Staking Infinitely (N/A)
2: 28f7c771d9cd63b4c3d5c8261c153f7e05f23f67a562dc5c39635445e1d1d268 00:30:28 Staking Infinitely (N/A)
3: b98ee2847b18dc4e46be8e384d59157a67a5366ee8b03553c519b520e147ef65 00:31:23 Staking Infinitely (N/A)
4: 2f235e88eada0dcabd49b9f2ee0fcd1002dbfabfe7dc273dc445e1e8abc220c0 00:52:59 Staking Infinitely (N/A)
5: ca0113d6999df9187b7959b602c7557cf9658a274fd89948c5aead79eb95a510 00:29:22 Staking Infinitely (N/A)
6: a382ea37422bc7715fb954fd567ae77c7b8db3bf92a2d4ac48025e0122832641 01:42:29 Staking Infinitely (N/A)
7: 83b11eca71c4a2d77d256304fd422493ed4d290e3cb084bf76758d239fe9a0b4 00:53:34 Staking Infinitely (N/A)
8: 30f9c742e16707fb9b0c9c2078ed750595e297e4a0f75b972794766e25447cfc 00:27:41 Staking Infinitely (N/A)
9: f9e9aa7608c8c134ff9c14ef92488c122b947fd27d8cfe31d6745546c462665b 00:41:24 Staking Infinitely (N/A)
10: 45f9349a3ceee3a75d6142204286d37dacf81c1f9ec01a65e7b716269726635d 00:19:29 Staking Infinitely (N/A)
11: 050e45639e86a90ca465c5194642d9fee300ac170acdbb2c0144fc8ebaaf6b82 09:22:34 Staking Infinitely (N/A)
12: 2083e7a16cef72aced08ba92106bf9cff6725bede937ff82c1156fd7fa2f3c7a 09:22:16 Staking Infinitely (N/A)
13: 139595b1c4670eb35a9cc6d32b6c351c53422d6ebf9405d0e2de6edb09afa5f2 01:23:47 Staking Infinitely (N/A)
14: ab1264fe8acaba585069c1fb0afe0804a97bc00ef269c17231b7994024851111 01:14:24 Staking Infinitely (N/A)
15: 781efae048bb90829a0c7ce9f4c9c34e572d236955e91f4b3c86a85effa632d5 00:52:05 Staking Infinitely (N/A)
16: d3e9da49cf45266c3a0270253b0e2921dcbf939cfa52e5de31130d9ef5fb921d 10:03:29 Staking Infinitely (N/A)
17: 3a695a55e9442573865950ec85b393e7ade3a76690b62d0e992f32f246943bd1 08:22:42 Staking Infinitely (N/A)
18: b42fb5a319f9ef592ada30e483b64431d05386ba5692727d0e64a15802be3ef5 00:31:46 Staking Infinitely (N/A)
19: 4a407bb5161d9ad488e4feb1ce4870d5076d223d24160476275f2e292c290d21 04:48:23 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
2019276 ee641276b65eb58045f2f7bee7c19f453b247ae311a77d494a62be6f2f958860 2019276; 11/20 signatures: ✓ ✓ ✓ ✓ ✓ ✓ x ✓ ✓ ✓ ✓ x x x x x x x ✓ x
2019272 909c10a3b963dde78b21218e1599a2044a64f923837fc3491f26d546c6699047 2019272; 11/20 signatures: x x ✓ ✓ x ✓ ✓ ✓ x ✓ x ✓ x ✓ ✓ ✓ x x ✓ x
2019240 94042e3ea797b219097d086156ca4e29859386752ee4dcc4157ebdadf68ebb91 2019240; 10/20 signatures: ✓ x ✓ ✓ ✓ x x x x ✓ ✓ ✓ ✓ x x x x x ✓ ✓
2019180 68016d604bb2464b65469406af09c0b5661c13ed32a64a32b55a682bf404b41d 2019180; 11/20 signatures: ✓ ✓ x ✓ x ✓ x x ✓ ✓ x x ✓ x ✓ x ✓ x ✓ ✓
2019120 b74667e0f7001797661526cfdc180890f71c51b34b11cd03854f0348b952fcfe 2019120; 7/20 signatures: ✓ x x 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