June 1, 2024 at 11:30:30 PM UTC Transaction Pool Autorefresh is OFF Go to testnet explorer

1597905 v19.0 in 1.8 minutes 15000 OXEN 0.005 OXEN/output + 0.000122 OXEN/kB 0.015 OXEN/output + 0.000366 OXEN/kB 300kB/600kB 18.3GB

: 68140374.607040972 OXEN 68886365.159876078 OXEN 81079.818923854 OXEN 745990.552835102 OXEN 21602.881366221 OXEN

* — The circulating supply may exclude any currently publicised locked OXEN; otherwise it is equal to the coinbase minus the number of burned coins. Fees include paid transaction fees minus any portion that was burned.

🏁 Service Node Registration ⚑ Contribution 👍 Recommission 👎 Decommission 🚫 Deregistration 📋 IP Change Penalty 🔓 Stake Unlock 🎫 Oxen Name System Purchase 💾 ONS Update

Transaction Pool

0 transactions, 0B

Age [h:m:s] Type Transaction Hash Fee/Per kB In/Out TX Size

Transactions in Blocks 22585–22604 🔗

(Min. / Median / Average / Max. size of these blocks: 165B / 36.0kB / 112kB / 296kB)

Prev
Current Page: 78765/79895
Next
Showing blocks/page
Height Age [h:m:s] Size Type Transaction Hash Fee Rewards In/Out TX Size
22604 2190d 23:13:41 296k 40cbd1e418ad47794aa2f0cf35c2f2c1b7054a18b52457105d27ac7b3ffc84de 121.61 0/2 174
35cedce1b061c2e562738b8fd8385aa8719e2f08e80fe81e7a9f0231fccd1f2e 0.0673 1/2 13.4k
9136c56fe4b0837a6eaef3e678c5ae53430befef20cd068c0f924ca4d6ef6813 0.0673 1/2 13.4k
a38417985fbaf0ea3af6b99be3ea8184697661f7c732c0023d99c1be0122ee08 0.0673 1/2 13.4k
1dc67c669a7be0504bbc95c3a1c85f5cb813b8129600d0388082915b8a6626cf 0.0673 1/2 13.4k
3c43962bdde64343bef43711cb1482bcebccd7a1d394a20ab3977c4cbae517fa 0.0673 1/2 13.4k
0025528293fa0d279d18822ff4a3559ba73ce9fbabdd95b95feecbe11a8e43c6 0.0673 1/2 13.4k
84da55df2b91e69ef04d1e772ef2143eaf1781bbff2afbb7c12f6fdeaa2e67d4 0.0673 1/2 13.4k
6a2017f7069605b84e82abe5f8c06d8f69f0349316f606e26146da08b0172f25 0.0673 1/2 13.4k
2776db62beece12609d57896f0e4db20489b09f24a82c9bcbc9afe73973357c5 0.0673 1/2 13.4k
e6271995436cf43c4522468e9d84b14b9f631d3b60b5f094d69c2c74ce907109 0.0673 1/2 13.4k
a554fa776bf070fefb9dc5761b485028cc46c6259bc354aed2b097b069a5d5fa 0.0673 1/2 13.4k
5c8dd8236f18422aba77f9b4ed4f15eb5f84b90e75ae51ee573e733252cdc11f 0.0673 1/2 13.4k
ac58fc6b1c33683bba7b7f40b869964b415d39824332b8e1d6164020b4a12abd 0.0673 1/2 13.4k
26c7053dc03cf5e2f79345f4cdbfec528451ff6a66916cafb516fe21ec0e794f 0.0673 1/2 13.4k
13ec9fbe7661b2ea90b22d5dcf4b50212e464fcb05829e64c35180e448c894e4 0.0673 1/2 13.4k
daae5c355533c393c45fa17ff2b1d95377a92abdbb4a3a30c1f39e44e5054921 0.0673 1/2 13.4k
99ef92d6ad38cb1ee61f1c5c56f7c245a8d3e173d0f9de432c132e55534a3819 0.0673 1/2 13.4k
b1084d28f78a6ea7d5a732e0e5d22c89406a77463ec88638548f71ef41c2dfe4 0.0673 1/2 13.4k
76e9f6a0abfa3620b06686fdcbaf855a41f78fe587cea213c42493cf409e328f 0.0673 1/2 13.4k
b24f4432ea9c50521fce78fb13a7a679bc7628621b6f249687e6e1380118d7a5 0.0673 1/2 13.4k
0488222a22b99b4552b08054138f59be6646667d76c61faf3e363b65e1bb319a 0.0673 2/2 14.2k
63bea3c84b11efa6bfa8824514a6a2f10339aadf030fe33c5fc0702bd429781b 0.0673 2/2 14.2k
22603 2190d 23:15:27 110k 05c7e3daf2310144fb3bba49fdc8fea96856955e23bfc2f10d434792e66a7140 120.68 0/2 174
a75a60a4e30943a3171376bff7a35fc23ba420ecdb58aca18c2bca6ea92125d9 0.0673 1/2 13.4k
0dd5ef11c2a87d2e16fbeec51916f840fad29da7cd0ea809fda91856af24cbf3 0.0673 1/2 13.4k
887ae34a8c9f0f10592e158379b2666a87d7693d92433eec6aa6d7848d8b2277 0.0673 1/2 13.4k
8e0b2660905effff152c766d2c9387b5a4f642d28e9052bae7ca6eec941194c8 0.0673 1/2 13.4k
e90bb8a546a9b24e1412562848642f4bd5233f1b56117f21583dc204862a2f72 0.0673 1/2 13.4k
b2dc7b835e69c23c64b5e4bc1b10d6cbf988bad7fe58f5f19f24a6dd80202ea9 0.0721 3/2 15.0k
8ca73ae96f93f69cab76b9425c6083cfb6cefcb76d940e3f07c192437bc7f7bc 0.0673 2/2 14.2k
9cca65ec565f91ac3d83740998549a48895fdb4157a8374ee93b3b80ab893895 0.0673 2/2 14.2k
22602 2190d 23:17:57 221k b149403be8af3d27d4975a3d63042252b64aeffb438e1669ff73954c45f9000a 121.20 0/2 174
21e59d5862271c75a707bad167d10b0f34f8fb68d93b83894994ca138cc7cd20 0.0673 1/2 13.4k
ee1202c0fd2eb0037ed1a9f1620763d3f4ec88457d004e4b2746e1ddd8dfe042 0.0673 1/2 13.4k
3d2f9f3d42bd46274faee391d3eaa3790dbb13b2ec5864639fa29775399335d8 0.0673 1/2 13.4k
a3040eaf3ed695339cbe374061048ca19e969a910154b8168c05de39f101dee2 0.0673 1/2 13.4k
255f55c99831bde420306b2b09e519478186b36154268c68d1f8ce7119f49301 0.0673 1/2 13.4k
273dd4b579172c861e0cc8fc21af1fe5564d4d8101d5618c79f73fce4cf564db 0.0673 1/2 13.4k
1b567cca1429009f33809e2ace10bd98b403f7bf15ff3cfe0d4dd7d21021a0b5 0.0673 1/2 13.4k
0abd270a7c139aff05f179719e22e8de22adb7b4e8805ce59f63d66098cde413 0.5959 1/20 127k
22601 2190d 23:19:33 13.6k fb415c93d1a0df24691ddce39b68bfe6811f3c81dafeb29798509f2a44187f23 120.20 0/2 174
56abe9a3224da35a46bf323caa11ba37da1132d2405385675d22d179f0826147 0.0673 1/2 13.4k
22600 2190d 23:21:31 174 04744aaea1131830bc947cb85302c6f4771793d2c3076242a6ca012dff86bdb9 120.13 0/2 174
22599 2190d 23:24:24 129k cfae6857010d1d2a4ddba76be03c31c17ae6740ac365720eb89834ff1bb7df14 120.75 0/2 174
99afe685f5200d721ddbe7dfeffb039ef2179bd48c8449ab20abf23fd956a2b3 0.0673 1/2 13.4k
84fb006a67f4b7e7a619ebc6e247adf387ad72dbaef5350d04c674118020ddb4 0.0673 1/2 13.4k
4ccd0d9e932edd87b9e785ac5e4880a4d89c7dc28d03b173a877ffd1a2a7d3ad 0.4853 2/16 102k
22598 2190d 23:27:22 174 ef0f7ed50dce6edba7d73d815a1d6f68cb2ec12ecc2101156d4bb9e3683dc5ba 120.13 0/2 174
22597 2190d 23:28:34 174 db89fa355fa545a1f20e1751bec1b4776c0068fc2f61acab838e86b7030d1827 120.13 0/2 174
22596 2190d 23:29:58 13.6k 3dc968c694e860533dc369b678cbf89b317bb8be859108c08766f882a44b8484 120.20 0/2 174
835362dc9fb42a71b8258a1590c3307289a6bb12314b28385053326f4d3dbde8 0.0673 1/2 13.4k
22595 2190d 23:30:24 184k f6a9da25553d5848df4f2c78850c342d3e774bc78c95a029781d334a9f8be3b4 121.00 0/2 165
f0d0d23d6090c9e58c58b35f869ce54212e7e9c828ace7eeb3900644e1db5fad 0.0817 6/2 17.2k
65a9d0e3ff248246d47cd1aaf293a5c34fe8ae1cedddf4fc32bcca0a8cdab0a9 0.7833 2/26 166k
22594 2190d 23:31:21 294k 5ec548edfd336c9361d0798f0c69e06a2cfbe211b5d342778ee063b62ba81f55 121.77 0/2 165
5598dbde3c5741e82bc02613570033a2095b06c6b22bad88bec000f9881218b4 0.3075 4/2 15.7k
b8bc704dca19e82811629e14833e25092d2d047d9c08bea4cfc0587c014f3c2d 0.0673 1/2 13.4k
fdc29d11249577fc06d1addfd5616f4c5eea3e654441b98c79fba7e47b07ebce 0.0673 1/2 13.4k
77bd5ca493933b681b54329f0a68cb13da27f18b918562ee8e5a54cbf270309d 0.0673 1/2 13.4k
87ad1012c23fff800a3c7b0710b121277aa1c58c8f06db367646cd0b16e3c824 0.0673 1/2 13.4k
315a95cee7659c01a4dafff432cb6cd46ac4bcace7fe7518b173fa1e7593950b 0.0673 2/2 14.2k
be973fc001ec56776d0eea68e0b5c139cd58d3c7c1d5949882598c9e51a3893f 0.6007 1/20 128k
ff81c7f463eabf97072b8a03cb6fa3a84459d6a1c6e0422aceed1352d914bc40 0.3892 1/13 82.8k
22593 2190d 23:33:44 295k 1043fe173ede156d2dc433e19b23824d73ec009fb0dec8d599aca1b4c1754c26 121.75 0/2 165
d8a1aa24fef671ae15955a1d2ef4406461861f92a71ba53ede43f2f7216e627b 0.2691 1/2 13.4k
ce79c5941673110769e6fa71232ad210e39a26001057563a9f980d337562cf18 0.0673 1/2 13.4k
704143162ef19877449f10873c0336210c2217ca451d34ed04366fd1fe4d7990 0.0673 1/2 13.4k
dfc4d07c7e7342d83126e6af8a0358f203e48c3b3dcc2a6a07724e14b33db0e7 0.0673 1/2 13.4k
e2aeaa234d5939e9aca969e0375b60c500a30176d5513d7af4f92b46637c81fc 0.0673 1/2 13.4k
0080d93276d698cb9f61c229c95715bcf38e0df49d94ed083af032db069cf4f7 0.0673 2/2 14.2k
4be262df57b8e6dec63a23ad08b41a8e15238d86b0e14bef36126f565ce58fa7 0.0673 2/2 14.2k
f42bbf212921aa28a4ff88b0f57a16d21ccac7b4c13c33fa18f073608febb001 0.0673 2/2 14.2k
d07942566240de7cb495f57d31334264dcf05967e36b16631f84fc312e3224f5 0.0673 2/2 14.2k
583d1d355fe0227f4330e673b193b0b8ad5a83d3b4e6adeaa1cb54caefa0af24 0.0673 2/2 14.2k
9963a3e3c07b5756057cc0ba5147a4511710f7c9bca9813bbccd2f2e84aa3111 0.0673 2/2 14.2k
68f34a5d77dd5d91d240c69c226399a61b7c50f7605e1efa47413316df7fd99b 0.0673 2/2 14.2k
3983aa96d3e0d787e8ee3149bc2ec76a41557c142b43c7d672ca7de691c0e563 0.6055 2/20 128k
22592 2190d 23:35:17 296k f8aab192fd6333996a1c8a8e05126dc3e70efaafab8cb707bcbdb05069fbd867 121.61 0/2 174
4a768748e42929a7d207296e681e77347afa3a30065fe59832df0760c8d895c8 0.0673 1/2 13.4k
2b262eb71d616456ea89f160146ab8045dab199e69cefe49a787eef404577f02 0.0673 1/2 13.4k
65206cfd91519f04da3f8939c6800dc1d2b867f06707e8bdf968b40023033fc9 0.0673 1/2 13.4k
a35e710140b43d5c4e62ef6f05a4e537d5a6e7f77446216b4ce1fe0f28728173 0.0673 1/2 13.4k
8d7680468de89a3589a71ae7b8a5532a99b9ba3c9a6602f2d6f9f0d486b3a4e6 0.0673 1/2 13.4k
aacdf3c00bcfbb2aae1a62fcdfb80086af9b011c6defc5c68b9f6688b8fb3805 0.0673 1/2 13.4k
3ade66c4f28c3016dce95a4c41db1cce28824203d82b46a4e2721beae59ecae1 0.0673 1/2 13.4k
9495397eedb6b0daa97812b0999fd3e56a072e7fe6559f20b869f4981af77206 0.0673 1/2 13.4k
d4a4ab77b0eb2bb0015323bb01c03fe40eb5063ce76cdb74eb717b0d7b927f85 0.0673 1/2 13.4k
4d3d3b5f1822ddde506c8f03be95f28b0fc0fd1fa2c94fd51c354e0a49b7396c 0.0673 1/2 13.4k
f780482dd915c8dca39ffdc005f358c4315aad3ed9a048c44bf1df9c4f554006 0.0673 1/2 13.4k
175caffda73da125536b19c337065f3cfce80ca158bb8140b665cfae65bc5438 0.0673 1/2 13.4k
90c3f2709e6032ebaf4c06aca476d38eec781aeac84f1c58fe32cfaf26c1d446 0.0673 1/2 13.4k
0ffea6764297209e8698cf9de888e064c80cacac165b336deb55baace1315504 0.0673 1/2 13.4k
dad89dece638274ba271f60fcfddc09fe99defad288493a2cfac9a50eaf1b07f 0.0673 1/2 13.4k
a29485886176b8a780e962e6e90bed11d199a63257547ef317b220b1bfa065dd 0.0673 1/2 13.4k
e9b70b23d61a6669d919b0c9bc2447f4e833e0c799c368bfea69dde0b1376487 0.0673 1/2 13.4k
0e3beac0cca743eef1d2f0a9eadc264361649fde6a58e55df2b2b06645e292c0 0.0673 1/2 13.4k
93ccdc512d1b3b582a71c07c82371eac5c0194599341b8c0aa340e7de54d3fd8 0.0673 1/2 13.4k
d11f54a760a24f15205c187557839deccb6f2e912900a8bd0933273d62720d92 0.0673 1/2 13.4k
57e301078d5ae47f05321c5741e5c84a9d3ce1fb6f46d3fdfef9e3f252218f95 0.0673 1/2 13.4k
a57c46441cd576e1be4ad964c43e09dbde76f45ed40079f821534a9b3022ff9d 0.0673 2/2 14.2k
22591 2190d 23:36:18 294k b17adfa4abeb6d223413ceb227a95754e81f6e4b7abe42adab503547dd32aa71 123.00 0/2 174
99dc852546e520cd87a04564bb03e9665e6d76f7ae2cf41e2c22fe4a9980492b 0.2691 1/2 13.4k
dab0d5bfb3541ec1a78960970e42c8152c5ebd5ddf801ecce5b2e27141e32923 0.2691 1/2 13.4k
fb00a7d86f60e80dedaa9ae6e657e061a6dd7082889497de5571f0ebc03fa2a9 0.9803 1/8 51.2k
0d6c0fc87414ed724624685d6aff3f58c6b8bd230df7d378001a5c0dd92a2163 0.3844 10/2 20.3k
404515c368afa0760274e6a7f74a9ee2f6e9e50f2212e1dee8bc0f12f70fa7c4 0.0673 1/2 13.4k
a2858cadfb26f8b83d391dfcbbfbfa3604621096ee77641a0cec8065e8b51ebb 0.0673 1/2 13.4k
fdedb7d5554cac5b207f0ba0ffea153f7ac822f581e4eb9dcd6e23faf6d0ee44 0.0673 1/2 13.4k
3b9ad091af1a40fbb41009d72106db908895b3ed8531ac1ad15b888fd67db6d4 0.0673 1/2 13.4k
d14bb6b7ab35e1f2f1a2af2040c7021c9518dd79ef159d9561e70f47112916d0 0.0673 1/2 13.4k
5b1607c979d3e87dfb2c0c4af03548fc401fc65e682fd12da3208f032a5c83dd 0.0673 1/2 13.4k
71c2696f11599b5766716bf923b05a9676f72fb5c866da4eab8e46eacbadcc55 0.0673 1/2 13.4k
117ffb243ee84f52f8ac6cef6aea8a2ddb4a48189dd4bf07c1bfb9c678dc8128 0.0673 1/2 13.4k
61c49de7c621feacd5b21093e0ca7916077710ddac94459f6d9ad03d9f6eaba1 0.0673 1/2 13.4k
2f0f27343b9d0c538c59bd53ef3a775af4f6b7c79c04ac484023aedfeb6df4d3 0.3556 82/2 75.2k
22590 2190d 23:42:08 165 35ff1cbb76e870387b1d7903f59bf1733209a91f9318ab8cddb22605ca75cda6 120.13 0/2 165
22589 2190d 23:42:53 17.4k 5f8c15871ba56ff6261a3585c57804e8ff19c00fb8505ee211033248ec01eab7 120.22 0/2 174
cbd06e8a4b87680da3239f4076d3720a479183ef341c9513dc9d379723be0955 0.0817 6/2 17.2k
22588 2190d 23:43:54 30.8k f7a2cb03503b5ac5ec65b71475dc7b4295544bacffc83222cc6db4947b32f981 120.28 0/2 174
0fb4a72c9cc475e1b2fbb53f759f72c87289a931235337fe76e62f3f4f2c1abb 0.0673 1/2 13.4k
5296c2bf8a2bb0a7f05b9400b10152775e0296bf9f1a9ded95a4002dd802227b 0.0817 6/2 17.2k
22587 2190d 23:45:58 174 c032035f64945afe78ba4357d9e016897e4c5c890a5572e878851da2fd1c5d99 120.13 0/2 174
22586 2190d 23:46:09 174 c2d2f6400cae463afcec32b563a8af1bd03d2a1b53869118dd7a7dd2900a0402 120.13 0/2 174
22585 2190d 23:47:43 41.1k e0391d2f5d583b1749a941d34f19028489d0f7cde499b4509c490092613937c1 120.34 0/2 174
b18d379428a34e0cb293b4d440c5062c5619d8ef9f214d1c90a4638fe1f9af53 0.0673 1/2 13.4k
bc70645290d833578a87c0acee97c44a9eb958a29905deed8ccde726c219a341 0.0673 1/2 13.4k
e125aecbeea82e24990a0b9176ff88bac96883f62b44cae6830bfcea780469e2 0.0673 2/2 14.2k
Prev
Current Page: 78765/79895
Next
Showing blocks/page

Service Nodes

11 service nodes awaiting contributions, 1 decommissioned service nodes, and 2165 active service nodes.

Service Nodes Awaiting Contributions (11)

Public Key Contributors Operator Fee (%) Contributed Open For Contribution Min. Contribution Expiry Date UTC (Estimated)
533f1228995f9d5cb2c6cee3fe6c0dbe513c5a9842eea08ebcae4f70ef643ca4 2/10 18 13750.000000000 1250.000000000 156.250000000 Staking Infinitely
a82bc5b0123cd64838327d4467549078f4f6847698304a65f1d83ac4f166e6c3 1/10 18 4120.000000000 10880.000000000 1208.888888889 Staking Infinitely
965f972575d29eed0d8f40bb0bad82ed47b4983bf3367c989faaa7f9dadad453 1/10 18 3750.000000000 11250.000000000 1250.000000000 Staking Infinitely
634a72a534d0f6458baa735a056463cd4ea087ddc8251dcbac042b9050fd958d 5/10 20.95 12521.428600000 2478.571400000 495.714280000 Staking Infinitely
304981084707594b8f9ce8fb36ae68d1639cb847741d1ba808b7d5a685bd2bd1 2/10 21 11835.000000000 3165.000000000 395.625000000 Staking Infinitely
c84eb4923d55b1290e007bb3a5752e3b71b8486a3fa3a6e7f019d2253848a415 2/10 23.95 8750.000000000 6250.000000000 781.250000000 Staking Infinitely
28e9fe70f9d86bfa1b146898e53c167fafc1b8f694f0551257f0a3a9b079b110 3/10 24 9782.000000000 5218.000000000 745.428571429 Staking Infinitely
1c27f44ed9717f825a8e293773c25e73ffb55962fdcdc533c86d4e766b8cee83 2/10 24 8750.000000000 6250.000000000 781.250000000 Staking Infinitely
3866a53df944880e84d8d99b42d9a37b227674f0cb00fe7dc61198b0a25922bb 2/10 24 8750.000000000 6250.000000000 781.250000000 Staking Infinitely
f82ebdfabcd6e565a8e85bc1d03f4d5480002185001e11f6ab2b43615fb572dd 1/10 24 3750.000000000 11250.000000000 1250.000000000 Staking Infinitely
+ 1 more ↪

Inactive/Decommissioned Service Nodes (1)

(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.
fc357d2e607904b8ed3c4e38804d6ff6c126d46553fc7bde26e0bee5c79d0a38 9/10 10 1597880 0:47:50 43 (in 86.0 minutes)

Active Service Nodes (2165)

Current storage swarm count: 310

Public Key Contri­butors Operator Fee (%) Staking Requirement Last Reward Height Last Uptime Proof Expiry Date UTC (Estimated)
c5f3ed8c28ab8419ab9909ff1c04501edc67e5298bc1b472c1dbc90dad683115 2/10 100 15000.000000000 1595767 0:23:59 Staking Infinitely
d412a6e738877266ca6d8a42c8afdb17a6980563a8eeb192585a2f41607c6bea 1/10 15000.000000000 1595768 0:36:22 Staking Infinitely
02769c6698a3142b568bf0d420a98cfadb8c2676212042bad3313411e7cef96a 1/10 15000.000000000 1595769 0:09:56 Staking Infinitely
2a0a80eedde0ee2f0b5c619d4d3d7ea0304e1e987344a5e425696cab7cea1432 1/10 15000.000000000 1595770 0:00:14 Staking Infinitely
79c6867bf68f253953fb7617085aa1579898ff29fbda021611458629dbd9f58b 1/10 15000.000000000 1595771 0:52:59 Staking Infinitely
10f337df70fbd01fb5d7e0f4039b01ee1dbe66b99966c0d61f0b0d0d670d5ff5 1/10 15000.000000000 1595772 0:21:28 Staking Infinitely
1bebd86a0ef295c5a401d2f71b08d368de2578aa33bfe0fcf38e62f4a6d393d0 1/10 15000.000000000 1595773 0:47:37 Staking Infinitely
f7b08bcdb32bd77e004e63786c208fbf5c10676d372b3b41e02a5395fdb2dca5 2/10 33 15000.000000000 1595774 0:35:50 Staking Infinitely
4ffb5745828f7b96b745a6c42b7f779d3f83d1bb9949be9bb7b50b02bc07aab9 1/10 15000.000000000 1595775 0:34:22 Staking Infinitely
a0fb389e1568bcb5c200f9a86e6e1bdcbd52dccab4c6ed8d4d7a9c9156b709e3 1/10 15000.000000000 1595776 0:03:16 Staking Infinitely
+ 2155 more ↪

Click here to see the full service node list (at most 10 are shown here)

Last 3 checkpoints

Height Block hash Checkpoint Quorum
1597900 bef989d16589e728c3eb62f66eb9de2895a74afd02043e4d088f87fe367c79cf 20/20 signatures:
1597896 4ac8dd83b3dc60ff395bb04baa6301d2f8d18912adef52f7519f86cf45b4f659 20/20 signatures:
1597860 63a3c2156f04585389ebd22bf14fbed4f28789286e9c6cfde32d47bf542696b8 20/20 signatures:

View recent stored testing/checkpoint/blink/pulse quorums