Arqma Blockchain Explorer

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

Server Time: 2026-09-05 15:59:42 | Transaction Pool | Autorefresh is OFF | Go to stagenet explorer | Go to mainnet explorer

Network difficulty: 127000146 | Hard fork: v19 | Hash rate: 1.058 MH/s | Staking Requirement: 100000.000000000 ARQ | Fee: 0.000000050/byte + 0.000090000/output | Median block size limit: 1024.00 kB | Data From 00:00:41 [h:m:s] ago

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

Arqma emission (fees) is 40206846.239012659 (1053.898071009) as of 2018868 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]
1582409	01:306:21:52:01	0.0996		2bbc5f49b643542d3ee97500af5bd1794a4cc29349bbd6f95e58148a2926ee01	N/A	10.816522181	0/1	0.0996
1582408	01:306:21:53:04	0.0996		00654913ed536b4ca90c46365237f4e720770d53901d1a889f2de0edc4b4082d	N/A	10.816527338	0/1	0.0996
1582407	01:306:21:53:52	0.0996		0052ff2562e0d368528e2e565ae9a4be1c817cf425d977ae3df20486cfec6d43	N/A	10.816532496	0/1	0.0996
1582406	01:306:21:57:03	0.0996		eb1525579a92fd29220b60e8579dda5bd39155f12f143b9aacdd4f5bc73df686	N/A	10.816537654	0/1	0.0996
1582405	01:306:21:59:58	0.0996		0aa7413983617460d4626a16157c774dfdd6208e96f9346e9b7de622d327faa3	N/A	10.816542812	0/1	0.0996
1582404	01:306:22:00:21	0.0996		d605086a0d748057a92e9b176adcd9a1f7f1d4c9708cbb3b6c4d6e9f8681d37d	N/A	10.816547969	0/1	0.0996
1582403	01:306:22:00:40	0.0996		782d86fc4506c4b2d13a24a114f31a9f3098303749e1877fb8fbabf69caec3a5	N/A	10.816553127	0/1	0.0996
1582402	01:306:22:01:20	0.0996		06c165a7872f0401070313d0f73220b1815091e386aeb3856430c9d748ee6513	N/A	10.816558285	0/1	0.0996
1582401	01:306:22:04:01	9.1953		ee6e9692ec39726b1e01b62dc503110c2381a1848099878e00d5dab040aced6f	N/A	10.816572763	0/1	0.0996
				633a3d5e723ab7d6c9a6539824f52268730ae00b171cb8759ce934db856111ea	0.000009320	?	10/2	9.0957
1582400	01:306:22:12:43	0.0996		851afbab365712154a4b2fff5879c99f7a22682e53aa31e38a2643cc728a93e0	N/A	10.816568600	0/1	0.0996
1582399	01:306:22:15:11	0.0996		a03712115020818bf3c32877267e114322053d0e99310afc7cfe47770d0fe8b5	N/A	10.816573758	0/1	0.0996
1582398	01:306:22:16:58	0.0996		b7715458c1b60a61b12d2dc739a3df48b732e2f19b40fdbe6d28832b6774f3c6	N/A	10.816578916	0/1	0.0996
1582397	01:306:22:18:02	0.0996		b7155986ee31372349ee151ccfe7a767266ae663dbc65452e02e317bd2c88f30	N/A	10.816584073	0/1	0.0996
1582396	01:306:22:23:08	5.5869		cce67419aa634b28489618f84774d25ec7d7f9c82e23f444f4f2b1c07c7436e9	N/A	10.816605911	0/1	0.0996
				17ee91fd662699dbc2ae59ec70dccec2693967efec85b43e0cb235840defe2ae	0.000005550	?	1/2	1.8242
				9f8943379eca5cf38bec772f93fe1cf4c476daca22b963a5a258cd72d8fde7d7	0.000005580	?	1/2	1.8359
				ac7382bffb43c4af15f7434a3488b3dc22703cbc4757885765487015b1d8c03b	0.000005550	?	1/2	1.8271
1582395	01:306:22:23:55	0.0996		1cef835cbc2bc8ba537e3cd4b457084f8d19bcb873bd7b495dbcb6ecc71dbf54	N/A	10.816594389	0/1	0.0996
1582394	01:306:22:24:55	1.9258		c482887aea497ac8c64b5338b28eeb96f97d87cffc166fcfdee5c30997b2f706	N/A	10.816605097	0/1	0.0996
				24e9e5f4676ed19b53121a5877919c7455c503cf9638579a94390613a40f1f0d	0.000005550	?	1/2	1.8262
1582393	01:306:22:25:47	0.0996		9cadc550a34056b61cec43abd950a5349cc605b32da19bfd5db738c1ca03eb36	N/A	10.816604705	0/1	0.0996
1582392	01:306:22:26:37	2.7285		27f71ce0ffe6b3cddcd200c0aebdc48aa99247717c7d3c9d6c5a1ec28e997f12	N/A	10.816617902	0/1	0.0996
				b87d9268fb3df4995966105fc60dc4ef3a93b74092d45d1277a487f3b6570096	0.000008040	?	2/2	2.6289
1582391	01:306:22:28:23	0.0996		7190d460dd345a148fb397b7166f18a66415ed7f0002f97e338697ce33c22cb1	N/A	10.816615020	0/1	0.0996
1582390	01:306:22:29:30	9.2549		05818b095976c65c042f449db6739b756b2916dda6dd3265e100fa1aa961dc99	N/A	10.816647988	0/1	0.0996
				aae2bd5655a34d40fbb9e0e255960f0876a34dd130de74f7e9f0b773e60150a9	0.000005550	?	1/2	1.8232
				bed7604f88cb039a966faea22d2c4fa60529d0a7119647b1f2324b24db96600a	0.000005550	?	1/2	1.8262
				c34aa33fb0e9aa650bbe409206b3b0754c7fd8c34ba5c3c149e2d6f0222f2c42	0.000005580	?	1/2	1.8379
				2621f1ac690180f91d6ed2abaf4f1568030361088b7b605f0d077cb6087f90a8	0.000005550	?	1/2	1.8281
				b2d4179db7e990be819490d0fb91fd792cf029b5e10a2ec8d7492764f8800d17	0.000005580	?	1/2	1.8398

Current Page: 21823/100943

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	07:17:21:35	None (deregistration imminent!)
cf8f65a97c31057a45dec63b065e23d0763c1ea88c7282fafd738e3e090ef01b	2/12	70	2001666	06:17:34:14	None (deregistration imminent!)

Active Service Nodes (47)

Public Key	Contributors	Operator Fee (%)	Staking Requirement	Last Reward Height	Last Uptimr Proof	Expiry Date UTC (Estimated)
5d21979e8b9332bfc583b3855b5e1b047080dce4609a21454595892ca797f514	1/12		100000.000000000	2018823	00:31:32	Staking Infinitely
81ea05da87ecfe7d707a13ded483e5a0ee257c3ff802cd01742185bc87d803d9	1/12		100000.000000000	2018824	00:03:29	Staking Infinitely
83b11eca71c4a2d77d256304fd422493ed4d290e3cb084bf76758d239fe9a0b4	1/12		100000.000000000	2018825	00:03:45	Staking Infinitely
a382ea37422bc7715fb954fd567ae77c7b8db3bf92a2d4ac48025e0122832641	2/12	60	100000.000000000	2018826	01:27:47	Staking Infinitely
bf84fec11377bd3f6a46c27484a8f46050274067047fefe4b15cfd566d68a671	1/12		100000.000000000	2018827	01:03:41	Staking Infinitely
c98ab9fca45aec5e9c8ea6f7dd0660b3567e3691d3cfbc4e4b035e737706160b	2/12	33	100000.000000000	2018828	00:25:53	Staking Infinitely
c6c5fce08eef76dca701248665f0586f83da2243ba13781899abc525b3572063	3/12	50	100000.000000000	2018829	00:47:25	Staking Infinitely
f9e9aa7608c8c134ff9c14ef92488c122b947fd27d8cfe31d6745546c462665b	1/12		100000.000000000	2018830	00:56:23	Staking Infinitely
afb246351ed7e9eadff997ae1ebcfcdd297bfabfc15398a8202ffcf1e3ceeb54	3/12	50	100000.000000000	2018831	01:52:16	Staking Infinitely
050e45639e86a90ca465c5194642d9fee300ac170acdbb2c0144fc8ebaaf6b82	2/12	50	100000.000000000	2018832	00:57:44	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 2018867)

Validators 10:
Public Key	Last Uptime Proof	Expiry Date UTC (Estimated)
0: 94b370885630009cbe68165b641e51343bcb90aba151434230424f6e3ec4a6d2	11:17:38	Staking Infinitely (N/A)
1: 81ea05da87ecfe7d707a13ded483e5a0ee257c3ff802cd01742185bc87d803d9	00:03:29	Staking Infinitely (N/A)
2: c338966f59c208f065e570e4631dced159118467b174e2cadc0bd59ff4768987	00:48:38	Staking Infinitely (N/A)
3: 3a695a55e9442573865950ec85b393e7ade3a76690b62d0e992f32f246943bd1	02:07:48	Staking Infinitely (N/A)
4: aa78babccc4e6e29d3becac648489e6da5c375ae22566dd9cc65880210d81539	00:33:26	Staking Infinitely (N/A)
5: c99d98eadc123984ca4f9042e6e2e3460e43467a7136f61f7f0960ef92fec01e	00:40:26	Staking Infinitely (N/A)
6: 050e45639e86a90ca465c5194642d9fee300ac170acdbb2c0144fc8ebaaf6b82	00:57:44	Staking Infinitely (N/A)
7: 848ad910440f790d4a687cad83b333f99dec1fb47bae617c7a02db65b2f1c244	13:58:09	Staking Infinitely (N/A)
8: c93716c955d7ced8be22fb112a0344fabde019949f2b26fedff327172ba6a973	01:39:18	Staking Infinitely (N/A)
9: f9e9aa7608c8c134ff9c14ef92488c122b947fd27d8cfe31d6745546c462665b	00:56:23	Staking Infinitely (N/A)
Nodes to test (39):
0: 33ef2ff577821dfc3e8ba0b6a7b62759f092c53d798cc1a9c5ba85f59f549efc	00:43:07	Staking Infinitely (N/A)
1: af591de4390b7c96bab0312158a390b186bf4064e306538b51b5621bbc314185	02:01:22	Staking Infinitely (N/A)
2: 2c9277494767de038291669f392ceb66b3889c23c574ab42db08e0b48ee8a7bf	00:54:05	Staking Infinitely (N/A)
3: b42fb5a319f9ef592ada30e483b64431d05386ba5692727d0e64a15802be3ef5	00:47:00	Staking Infinitely (N/A)
4: 30f3281710c23bb2c9b11a8bc0a3f63876ad2d974a55f08db00dde2f1fce4f3e	00:03:37	Staking Infinitely (N/A)
5: 45f9349a3ceee3a75d6142204286d37dacf81c1f9ec01a65e7b716269726635d	00:34:54	Staking Infinitely (N/A)
6: d3e9da49cf45266c3a0270253b0e2921dcbf939cfa52e5de31130d9ef5fb921d	21:04:10	Staking Infinitely (N/A)
7: afb246351ed7e9eadff997ae1ebcfcdd297bfabfc15398a8202ffcf1e3ceeb54	01:52:16	Staking Infinitely (N/A)
8: cf8f65a97c31057a45dec63b065e23d0763c1ea88c7282fafd738e3e090ef01b	06:17:34:14	Staking Infinitely (N/A)
9: ca0113d6999df9187b7959b602c7557cf9658a274fd89948c5aead79eb95a510	00:44:16	Staking Infinitely (N/A)
+ 29 more ↪

Uptime quorum for height 2018866)

Validators 10:
Public Key	Last Uptime Proof	Expiry Date UTC (Estimated)
0: a382ea37422bc7715fb954fd567ae77c7b8db3bf92a2d4ac48025e0122832641	01:27:47	Staking Infinitely (N/A)
1: 050e45639e86a90ca465c5194642d9fee300ac170acdbb2c0144fc8ebaaf6b82	00:57:44	Staking Infinitely (N/A)
2: 64704fc7e91c0d73d5a05f608f0899b45e99fa711383057dcc59064a98c257ab	01:05:53	Staking Infinitely (N/A)
3: 0a23d89cbd41b85c5bffec0f53289536393e1a91a6537caf7b2064d97f92f7bb	01:10:04:56	Staking Infinitely (N/A)
4: afb246351ed7e9eadff997ae1ebcfcdd297bfabfc15398a8202ffcf1e3ceeb54	01:52:16	Staking Infinitely (N/A)
5: 30f3281710c23bb2c9b11a8bc0a3f63876ad2d974a55f08db00dde2f1fce4f3e	00:03:37	Staking Infinitely (N/A)
6: c9839bdce086483c6fae8ede8600e4410c5dcd2a431148689480ddfd4c6c9363	00:05:47	Staking Infinitely (N/A)
7: 2c9277494767de038291669f392ceb66b3889c23c574ab42db08e0b48ee8a7bf	00:54:05	Staking Infinitely (N/A)
8: 848ad910440f790d4a687cad83b333f99dec1fb47bae617c7a02db65b2f1c244	13:58:09	Staking Infinitely (N/A)
9: f0e1913158cd650f98270490ded011fc138bb0a18bce9dcb796276b58f32340a	00:45:31	Staking Infinitely (N/A)
Nodes to test (39):
0: 3a695a55e9442573865950ec85b393e7ade3a76690b62d0e992f32f246943bd1	02:07:48	Staking Infinitely (N/A)
1: 80a869c7963e4c92ccd1032749e29b33e7e943f4e70cbe8d9a3110115a0a53e3	01:28:13	Staking Infinitely (N/A)
2: 3cb0bba8f15c0902db46604f9fb6badeb0f611a645e4b29fb899342107c1f8c7	00:29:50	Staking Infinitely (N/A)
3: c338966f59c208f065e570e4631dced159118467b174e2cadc0bd59ff4768987	00:48:38	Staking Infinitely (N/A)
4: 781efae048bb90829a0c7ce9f4c9c34e572d236955e91f4b3c86a85effa632d5	05:27:33	Staking Infinitely (N/A)
5: 75ed97a747c6b790917a62befd733ec67df8a7b5a9861baa432521eaa788d2e2	00:47:54	Staking Infinitely (N/A)
6: 4a407bb5161d9ad488e4feb1ce4870d5076d223d24160476275f2e292c290d21	01:23:33	Staking Infinitely (N/A)
7: 53b13c3b12f633765fad6a3af5e9910067af666c8c35940a5d0190ef05e86016	00:39:42	Staking Infinitely (N/A)
8: c442b8c2be6b9175211390d4dbf3d3c6b9c8132517335eabbffce8b68da71b36	00:27:47	Staking Infinitely (N/A)
9: af591de4390b7c96bab0312158a390b186bf4064e306538b51b5621bbc314185	02:01:22	Staking Infinitely (N/A)
+ 29 more ↪

Uptime quorum for height 2018865)

Validators 10:
Public Key	Last Uptime Proof	Expiry Date UTC (Estimated)
0: b98ee2847b18dc4e46be8e384d59157a67a5366ee8b03553c519b520e147ef65	00:46:36	Staking Infinitely (N/A)
1: 33ef2ff577821dfc3e8ba0b6a7b62759f092c53d798cc1a9c5ba85f59f549efc	00:43:07	Staking Infinitely (N/A)
2: 4a9a479460d135c51723254462919ff51e4b692f2bc4aedafb26316494f45a64	02:01:16	Staking Infinitely (N/A)
3: 2f235e88eada0dcabd49b9f2ee0fcd1002dbfabfe7dc273dc445e1e8abc220c0	00:03:13	Staking Infinitely (N/A)
4: c9839bdce086483c6fae8ede8600e4410c5dcd2a431148689480ddfd4c6c9363	00:05:47	Staking Infinitely (N/A)
5: c93716c955d7ced8be22fb112a0344fabde019949f2b26fedff327172ba6a973	01:39:18	Staking Infinitely (N/A)
6: 781efae048bb90829a0c7ce9f4c9c34e572d236955e91f4b3c86a85effa632d5	05:27:33	Staking Infinitely (N/A)
7: c442b8c2be6b9175211390d4dbf3d3c6b9c8132517335eabbffce8b68da71b36	00:27:47	Staking Infinitely (N/A)
8: 050e45639e86a90ca465c5194642d9fee300ac170acdbb2c0144fc8ebaaf6b82	00:57:44	Staking Infinitely (N/A)
9: 80a869c7963e4c92ccd1032749e29b33e7e943f4e70cbe8d9a3110115a0a53e3	01:28:13	Staking Infinitely (N/A)
Nodes to test (39):
0: 361f463346d3409705042d85617b51e1c61f8821cc3c21f16ce9034d5b761c1f	00:47:40	Staking Infinitely (N/A)
1: 2083e7a16cef72aced08ba92106bf9cff6725bede937ff82c1156fd7fa2f3c7a	00:57:26	Staking Infinitely (N/A)
2: c338966f59c208f065e570e4631dced159118467b174e2cadc0bd59ff4768987	00:48:38	Staking Infinitely (N/A)
3: 53b13c3b12f633765fad6a3af5e9910067af666c8c35940a5d0190ef05e86016	00:39:42	Staking Infinitely (N/A)
4: e9ce4cbc023dd13600dd1b84e811838cccc09a169ab6cb51f537481242bddb1a	00:36:23	Staking Infinitely (N/A)
5: cf8f65a97c31057a45dec63b065e23d0763c1ea88c7282fafd738e3e090ef01b	06:17:34:14	Staking Infinitely (N/A)
6: 4a407bb5161d9ad488e4feb1ce4870d5076d223d24160476275f2e292c290d21	01:23:33	Staking Infinitely (N/A)
7: 5d21979e8b9332bfc583b3855b5e1b047080dce4609a21454595892ca797f514	00:31:32	Staking Infinitely (N/A)
8: 0a23d89cbd41b85c5bffec0f53289536393e1a91a6537caf7b2064d97f92f7bb	01:10:04:56	Staking Infinitely (N/A)
9: 139595b1c4670eb35a9cc6d32b6c351c53422d6ebf9405d0e2de6edb09afa5f2	00:44:17	Staking Infinitely (N/A)
+ 29 more ↪

Checkpoint quorum for height 2018868 (determined by block 2018857)

Public Key	Last Uptime Proof	Expiry Date UTC (Estimated)
0: 4a407bb5161d9ad488e4feb1ce4870d5076d223d24160476275f2e292c290d21	01:23:33	Staking Infinitely (N/A)
1: b42fb5a319f9ef592ada30e483b64431d05386ba5692727d0e64a15802be3ef5	00:47:00	Staking Infinitely (N/A)
2: f9e9aa7608c8c134ff9c14ef92488c122b947fd27d8cfe31d6745546c462665b	00:56:23	Staking Infinitely (N/A)
3: aa78babccc4e6e29d3becac648489e6da5c375ae22566dd9cc65880210d81539	00:33:26	Staking Infinitely (N/A)
4: c338966f59c208f065e570e4631dced159118467b174e2cadc0bd59ff4768987	00:48:38	Staking Infinitely (N/A)
5: c442b8c2be6b9175211390d4dbf3d3c6b9c8132517335eabbffce8b68da71b36	00:27:47	Staking Infinitely (N/A)
6: 33ef2ff577821dfc3e8ba0b6a7b62759f092c53d798cc1a9c5ba85f59f549efc	00:43:07	Staking Infinitely (N/A)
7: c93716c955d7ced8be22fb112a0344fabde019949f2b26fedff327172ba6a973	01:39:18	Staking Infinitely (N/A)
8: 76e3e01fe63166ca4e448a2d9353486dbf966804c0eb51437d135fdd93e3eb3f	00:43:28	Staking Infinitely (N/A)
9: 83b11eca71c4a2d77d256304fd422493ed4d290e3cb084bf76758d239fe9a0b4	00:03:45	Staking Infinitely (N/A)
10: 781efae048bb90829a0c7ce9f4c9c34e572d236955e91f4b3c86a85effa632d5	05:27:33	Staking Infinitely (N/A)
11: 64704fc7e91c0d73d5a05f608f0899b45e99fa711383057dcc59064a98c257ab	01:05:53	Staking Infinitely (N/A)
12: 5d21979e8b9332bfc583b3855b5e1b047080dce4609a21454595892ca797f514	00:31:32	Staking Infinitely (N/A)
13: c98ab9fca45aec5e9c8ea6f7dd0660b3567e3691d3cfbc4e4b035e737706160b	00:25:53	Staking Infinitely (N/A)
14: 28f7c771d9cd63b4c3d5c8261c153f7e05f23f67a562dc5c39635445e1d1d268	00:45:22	Staking Infinitely (N/A)
15: af591de4390b7c96bab0312158a390b186bf4064e306538b51b5621bbc314185	02:01:22	Staking Infinitely (N/A)
16: 30f3281710c23bb2c9b11a8bc0a3f63876ad2d974a55f08db00dde2f1fce4f3e	00:03:37	Staking Infinitely (N/A)
17: ca0113d6999df9187b7959b602c7557cf9658a274fd89948c5aead79eb95a510	00:44:16	Staking Infinitely (N/A)
18: e9ce4cbc023dd13600dd1b84e811838cccc09a169ab6cb51f537481242bddb1a	00:36:23	Staking Infinitely (N/A)
19: 2c9277494767de038291669f392ceb66b3889c23c574ab42db08e0b48ee8a7bf	00:54:05	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
2018868	ee74139b7dc4b56466b7886ee6e748e99eab6b7bf240ff4552afc1f2dd565143	2018868; 13/20 signatures: x ✓ ✓ ✓ x ✓ ✓ x ✓ ✓ x x ✓ ✓ ✓ x ✓ ✓ ✓ x
2018864	47be919ad386dfe1ce37b1479abc46d77112d1f4d699a8c1a6f8fe9f5c378f13	2018864; 8/20 signatures: ✓ x x x ✓ ✓ x ✓ x ✓ ✓ x x ✓ x x x ✓ x x
2018820	116c31e8bafa040fa07a17bb7dfd1c8b21f049ea6631a797f092d8604d81e0ee	2018820; 8/20 signatures: ✓ x ✓ x ✓ x x ✓ x ✓ ✓ x x x ✓ x x x x ✓
2018760	a1b9f081c3f71f422925d27b628a181a73e2197529b9724d856313ddc4494b1a	2018760; 8/20 signatures: x x x x x x ✓ ✓ x ✓ ✓ x x ✓ ✓ ✓ x ✓ x x
2018700	ffefdc850ced11378266649925823e12e317cad91a273d6ffb7c6b3ecd2d7720	2018700; 10/20 signatures: ✓ 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