Block at Slot 169237

Epoch:

5,288

Slot:

169,237

Status:

Proposed

Time:

2025-01-12 07:17:24 +0000 UTC ()

Proposer:

pk910-node5

Block Root:

0x901dd09c8af55059c806e4fd19f3868b18d092b23782b4060aca8d79e1610c56

Parent Root:

0x676bd326ac57398f33909a76fe79cf7ba0308f4b58669a4394de9cd9853c069b

State Root:

0x09b6103e28aa071aa44aaa0cddd237306aa36cf7be5af415387af04b558ce44b

Signature:

0xb90ea85a2db7e82e1f431a5fe4b3cfd4c8fdfdd183eaa3a4a270161b0ad6aec668194e0497a628cfc5c02454685110d116e79180be8e6171e0aa745c94437996672d78ed4ad4f790b6a7e54490f2f886ddeba22ab283366ec147912374d97e2d

Randao Reveal:

0x8d4d8a8b61d8d4a25865f521d464335d820231cb84cadd1cb9abf7381d60dca0e014eb40169146639af674177688ede00f99a66994b61bea8643c2626aa2cae175669a83ecbe12a742ed73c2af37826f83eadbfab64a2a615837ace526786837

Graffiti:

0x706b393130202835290000000000000000000000000000000000000000000000

Hex UTF-8

Eth 1 Data:

Block Hash:

0x65cbd99f51370171d5986b4d2a98ad028e583d4dd3f80083809533bdf14bdee1

Deposit Count:

3,002

Deposit Root:

0x08c9248b85842304ca5bf554909ab96a72a04a2ebb99355dbd479df2cc2622fc

Sync Aggregate:

Participation:

94.34 %

Bits:

11111111 11111111 11111111 10111111 11111111 11111111 01111111 11111111
11111111 10111111 11111101 11111111 11111110 11101111 01101111 11111111
11111110 11111111 11111111 11011111 11111111 11111111 01110111 11101111
10111111 11111111 01101111 11111111 11110111 11111110 11111111 10111111
11111111 11111111 11111111 11111111 11111111 11101111 11101111 11111111
11111111 11111111 11111111 11111011 11111111 11111111 11111111 11111111
01111111 11111111 11111111 11111111 11111011 11111111 11111111 11111111
11111110 11111111 11111101 11111111 11111111 10111011 11111111 10111111

Signature:

0xa2bd97fe28c3a85ad5010f28c74e8967eba6aa355d03806cc0ee90d4ceb84bf300dcca78ef27f83434a5278d5e3ae4f006d07f0b59618950f34daa75bddd00becd2a00c1d6c2f827b637c0d0ad3d002fa08209119d6e2b9e68d647d3712d3092

Execution Payload:

Parent Hash:

0xdd0d3030499b2c1fa4dfeb9abb67c1c7ba3aa66f151e9e2348ed229767b35b59

Fee recipient:

State Root:

0x3fdcd9bfcf730ec3646fa58eb74c097a295588603980cfbca0ac95730cb1bf11

Receipt Root:

Logs Bloom:

0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

Block Randomness

Block Number:

157482

Gas Limit:

30000000

Gas Used:

Timestamp:

1736666244

2025-01-12 07:17:24 +0000 UTC ()

Block Extra Data

0xd883010e0c846765746888676f312e32332e33856c696e7578

Base fee per gas:

Block Hash:

0xed3bf54d6a6617686f2024104cf81566348c13b27c2cc2558a061882734b13eb

Transactions:

Attestations:

Votes:

897

Voting Validators:

897

Voluntary Exits:

Slashings:

0 attester & 0 proposer slashings

Deposits:

Showing 14 Attestations

Attestation 0

Slot:

169236

Committee Index:

Aggregation Bits:

11111011 11111111 01111111 11111111 11111111 11111111 11111111 1111111
11111111 11111111 11011111 11111101 10111111 11111111 11111111 1111111
11111111 1

Validators:

9942 22068 7122 25717 18458 25267 18719 23248 26799 27972 9104 29529 9303 23524 23339 8811 9559 30109 18700 16755 22164 26361 17462 19295 2973 1636 15534 6763 4425 1306 16920 7921 8960 16585 16876 18546 10405 1884 29210 11515 25170 12678 13746 5008 12787 9158 5141 28774 11745 3523 6737 2679 2225 28022 5440 9427 11899 1729 10483 6426 24068 13296 3841 26740 19985 25236 12407 16311 8249 13641 3349 13885 5626 28268 15148 18843 23692 11454 30537 12270 16409 2410 9055 25945 8762 4850 18652 18850 18997 25791 2267 17945 29954 23765 2996 19323 6194 1467 6020 17186 7388 23403 9442 11616 9417 20347 5600 8528 9776 29543 25569 29186 29177 21928 14034 13023 14199 12036 8332 29820 5896 16956 13188 21258 16607 14651 10297 23695 2892 8108 7917 18537

Beacon Block Root:

0x676bd326ac57398f33909a76fe79cf7ba0308f4b58669a4394de9cd9853c069b

Source:

Epoch 5287 (0x0dc1bbef2aa7d5c93c76d84678e8711a93772a548144a7c0f2fbe10478e308f8)

Target:

Epoch 5288 (0x2acdb52b4e21d83ebb671cc7030f62351fce12e2c21fdc6d3d50858d61d6674d)

Signature:

0x9622035832aecbb0cb2f10b76815313067dd8afe3ced8524a444e01e04aa52a0c4ab64df77820fa4fa678762d99a450613d47e08090efd0187898251ae2d4b8bd79ff27190093957b05cf21df78868763e6852a8c620003eda3b7d6ca741572f

Attestation 1

Slot:

169236

Committee Index:

Aggregation Bits:

11111111 11111111 11111111 11111111 11111111 11111111 11111111 1111111
11111111 10111010 11111111 11111111 11111011 10111111 11111101 1111111
11111111 1

Validators:

26936 18684 29889 17589 10925 8287 1205 25358 10481 29365 22013 29780 1444 17791 3842 11855 7926 10296 27237 17504 16852 4065 29719 22981 6093 14019 23963 3085 11027 26892 17232 15609 8276 22996 29069 14494 8313 15278 11310 17401 8557 3392 12605 30583 9116 23640 12330 29535 18288 3167 13553 20188 17977 23595 20634 17158 18341 16417 10239 4498 18419 26666 14107 20846 17037 29828 1581 1720 13599 26771 28033 3490 14074 20519 10688 28106 30081 25407 23005 7693 11221 19753 2814 30085 19205 14341 9038 19025 25733 8083 1513 27437 12165 15213 22212 17293 11313 10132 19718 11649 29555 25641 6648 5583 14146 13116 21689 8095 5531 12198 26423 12925 2213 20051 3053 29916 2299 4634 27018 5888 15547 22039 1966 23495 1118 19523 22450 16488 16448 11878 19713

Beacon Block Root:

0x676bd326ac57398f33909a76fe79cf7ba0308f4b58669a4394de9cd9853c069b

Source:

Epoch 5287 (0x0dc1bbef2aa7d5c93c76d84678e8711a93772a548144a7c0f2fbe10478e308f8)

Target:

Epoch 5288 (0x2acdb52b4e21d83ebb671cc7030f62351fce12e2c21fdc6d3d50858d61d6674d)

Signature:

0x856732030a0a661afa66afe4fe8805ed1a807c2daf4bc96de64c3e63ee1e1e3162b9bde701593e4b22ff5f4c6ab503cf01e79a5274d026bae9075e296037df0c891ca1a11e1d9c5d262104b424d9b0444ef27af2efd8f29e6a3475d35b2c3db5

Attestation 2

Slot:

169236

Committee Index:

Aggregation Bits:

11101111 11111111 11111111 11111111 11111110 11111111 11111111 0111111
11111101 11111111 11111011 11111111 11111111 11111111 11111110 1111111
11111111 1

Validators:

21326 14989 22974 13655 29192 6221 21913 26364 7227 7627 23838 20830 17086 3423 14360 11437 26674 17308 19619 22818 17166 23367 22417 21140 18505 5380 10999 20546 28162 10442 26657 15391 18944 12549 4549 11218 17295 7653 18434 3044 15211 23544 18032 29628 27288 13091 25374 29302 25854 17665 6348 5535 3584 3434 21862 4322 13146 5060 25552 25982 3807 16620 27708 8913 4222 7846 21479 29435 30287 23709 29616 9098 17508 22595 21539 4014 6007 21363 8772 11183 6642 22777 8521 3850 23769 6731 9606 4675 30053 4433 14356 12945 1870 13383 29917 29317 16839 13608 5422 3059 12758 28145 14555 4831 6817 6448 14797 28474 4234 20885 7344 11556 6868 2747 27218 8047 22010 9991 21955 2855 21242 15276 17024 4004 18370 29086 18606 18030 14686 11782 16977

Beacon Block Root:

0x676bd326ac57398f33909a76fe79cf7ba0308f4b58669a4394de9cd9853c069b

Source:

Epoch 5287 (0x0dc1bbef2aa7d5c93c76d84678e8711a93772a548144a7c0f2fbe10478e308f8)

Target:

Epoch 5288 (0x2acdb52b4e21d83ebb671cc7030f62351fce12e2c21fdc6d3d50858d61d6674d)

Signature:

0xb93f1322a7c8e7d3dc6a95792e9845fb207e7a7e999955202decec7a00b84454882e1d4ef94bf76fb19bfc0864d96be913129af67e31d2c54379d5fa4c81ccd31f49a9a27e816401e130b88c68cfcfd9adca69ce66120e270adda9372220b35f

Attestation 3

Slot:

169236

Committee Index:

Aggregation Bits:

11101111 11111111 11101111 11111110 11111111 11111111 11111111 1111111
10111111 10111111 11101111 11111111 11111111 11111111 11111111 1111111
11111110 1

Validators:

7851 18800 15144 19720 8148 16957 28615 7541 9690 30509 27378 14685 1725 15044 25438 15470 19179 29429 23449 27233 28629 15517 12839 28336 2084 7176 10004 7266 15761 7750 26191 7129 3453 12033 16434 17468 8634 14009 29342 5729 13293 1526 5803 30088 8120 12207 3072 8283 27688 13443 3023 22560 29851 7804 6873 10834 25144 8573 14003 1336 25114 11098 1096 23714 7560 26372 7578 1544 23590 26400 26241 14193 13138 14351 1058 3906 3955 4525 21212 14531 17164 5093 13554 20292 3086 18787 11621 30323 17452 3129 1314 16818 18448 11367 23834 11756 28448 19760 17805 18440 1209 30591 29958 3953 4436 4162 16432 29275 20608 13338 28113 18801 4027 6637 23971 4593 8987 5921 22380 21895 30062 5455 14361 15002 30224 4772 24028 30573 6431 17198

Beacon Block Root:

0x676bd326ac57398f33909a76fe79cf7ba0308f4b58669a4394de9cd9853c069b

Source:

Epoch 5287 (0x0dc1bbef2aa7d5c93c76d84678e8711a93772a548144a7c0f2fbe10478e308f8)

Target:

Epoch 5288 (0x2acdb52b4e21d83ebb671cc7030f62351fce12e2c21fdc6d3d50858d61d6674d)

Signature:

0x8cabfd830ca6fe2ba6b6b756a682738c008ab8db9d8de46b1195f614fff0024a6b89eff59568a8fff9def96dd774c244033d02499dc341cf45ce1c7a28521acf0c47377d802ce8b533fa6ccb198f1675fffba3822a7e4427cd6b1983a30dcaa9

Attestation 4

Slot:

169236

Committee Index:

Aggregation Bits:

11111111 11111111 11011111 01111110 11111111 11111111 11111110 1111111
11101011 11111111 11111111 11111111 01111111 11111111 11111111 1111111
01001111 0

Validators:

23957 17031 27816 14262 3372 6793 11095 30415 15542 9528 9436 10699 9235 17879 28367 5717 22676 29450 29847 17831 23263 20767 27307 11582 22955 10646 11343 2762 28388 23134 25712 14428 7195 1163 22973 12311 20068 18992 17842 28889 1008 10345 30255 17128 10363 14839 1628 12741 23547 4679 9244 26860 3717 16921 19643 28682 20380 5935 20521 23149 11733 20429 12663 28317 20445 10325 9864 27110 7157 3918 2830 13363 21301 21743 15432 8519 18791 11826 9135 21776 10912 14484 3304 17029 26077 15722 7725 27829 19121 4954 13702 4557 19919 29500 19488 21962 7815 22886 21185 7412 12386 8609 5693 20714 29314 27056 16853 25818 27433 1853 29617 14507 14997 17985 4240 5456 28741 27529 15271 26483 5523 28512 20442 30028 6340 22323

Beacon Block Root:

0x676bd326ac57398f33909a76fe79cf7ba0308f4b58669a4394de9cd9853c069b

Source:

Epoch 5287 (0x0dc1bbef2aa7d5c93c76d84678e8711a93772a548144a7c0f2fbe10478e308f8)

Target:

Epoch 5288 (0x2acdb52b4e21d83ebb671cc7030f62351fce12e2c21fdc6d3d50858d61d6674d)

Signature:

0x922c32d9f5b2dc009e6bbdffea53f4552ab7e8f76d0c5bd90652d8294c34de5da45143b84a943e881fa639c0eddb5c04045a8f1764ac749a3a67b4c51eba3b341b69733d723c60329758d88cc45515c889e3d3ae62bf4086344dacf3fdad8a85

Attestation 5

Slot:

169236

Committee Index:

Aggregation Bits:

11111111 11111111 11111111 11101111 10111111 11111111 01111111 1111111
11111111 11111111 11101111 11111011 11011111 11011000 11111111 1011111
11111110 1

Validators:

21508 26417 3787 24013 4555 20251 4696 15138 6775 16304 5352 30544 9263 20418 13012 1531 1585 6989 20462 4381 11103 19710 30672 7180 13843 13996 1279 6594 22198 5770 3682 25751 9556 13712 23331 9318 14617 21935 10701 10531 17064 30545 15387 28256 5505 14293 7127 5818 25894 3099 15280 1509 30582 4085 28302 3299 22084 27629 29513 29398 26808 20331 25142 11300 13704 1924 8149 17532 4875 1584 6458 13420 21339 19023 3963 18955 4577 5640 9255 16373 17087 5680 23925 3317 26802 17294 1545 8113 20368 1887 17706 29408 5018 23447 21979 18369 5445 12434 10392 12209 30019 27234 22991 22957 17397 29241 4296 23200 1503 23398 8115 18282 22265 12541 10944 15738 16615 8484 7654 10853 10244 21504 18984 17946 15871

Beacon Block Root:

0x676bd326ac57398f33909a76fe79cf7ba0308f4b58669a4394de9cd9853c069b

Source:

Epoch 5287 (0x0dc1bbef2aa7d5c93c76d84678e8711a93772a548144a7c0f2fbe10478e308f8)

Target:

Epoch 5288 (0x2acdb52b4e21d83ebb671cc7030f62351fce12e2c21fdc6d3d50858d61d6674d)

Signature:

0x85f138d1b0cf74c3f01872dabf968c7b959292644ecfb2b14af9c836cc17d93362975dfbc56c7926201f0e528e79885304aa02997b89c983ed811865a8125de866706cf0c4bc3200730baa90447342007572d9dcc58d4deb863b6f4387e7cc9a

Attestation 6

Slot:

169236

Committee Index:

Aggregation Bits:

11111111 11110111 10101110 11111111 11011011 11101110 11101111 1111111
11111111 11101111 11111111 11111111 11111110 10111111 11111111 1111101
11111111 1

Validators:

3698 1086 29894 23492 1304 14532 23074 9984 18315 28667 16902 4884 20979 2714 26811 11499 22035 18040 23086 29687 25566 20615 12343 10445 26406 25192 3795 12130 9374 3597 27197 4835 11705 5463 3500 22849 27240 20268 22340 25595 11513 17988 18220 16739 9457 10836 27985 1162 25594 3645 20040 5366 13970 14325 5683 4652 30375 28610 5452 9958 7900 16207 19984 3832 29528 16502 21454 12284 7107 29101 10908 2052 17355 23435 16529 9724 8918 15439 2042 28994 12570 15052 12811 29794 18988 19269 2505 27862 18878 15020 9908 27477 15902 11062 9486 4751 1397 8872 27825 14937 14719 13381 25263 14729 3979 19951 20154 19595 7339 2312 7126 7022 24073 23119 12342 4602 26036 10433 12728 21581 16816 16005 9107 28164

Beacon Block Root:

0x676bd326ac57398f33909a76fe79cf7ba0308f4b58669a4394de9cd9853c069b

Source:

Epoch 5287 (0x0dc1bbef2aa7d5c93c76d84678e8711a93772a548144a7c0f2fbe10478e308f8)

Target:

Epoch 5288 (0x2acdb52b4e21d83ebb671cc7030f62351fce12e2c21fdc6d3d50858d61d6674d)

Signature:

0xb32cc16fb7ab1b202b6d4d08944f556c256556753abd929c01a0a2be36b045a2188ad7c67b3098be7a81dfb833e0a20f11af50c39d3a93655581af6e91f816144ad488be17ece3fca21d436b0343ec456e0d7a12d2f5d9f9a0f5b280ed7ef15c

Attestation 7

Slot:

169236

Committee Index:

Aggregation Bits:

00100000 00010000 00000010 01100001 00010100 00010100 00100100 0
01001000 10000010 00000010 10000000 10000000 00000100 00000000 01
01000000 0

Validators:

Beacon Block Root:

0x676bd326ac57398f33909a76fe79cf7ba0308f4b58669a4394de9cd9853c069b

Source:

Epoch 5287 (0x0dc1bbef2aa7d5c93c76d84678e8711a93772a548144a7c0f2fbe10478e308f8)

Target:

Epoch 5288 (0x2acdb52b4e21d83ebb671cc7030f62351fce12e2c21fdc6d3d50858d61d6674d)

Signature:

0xa1493bc14a01eea5d30d91728cb0feb4a92e49bd227667827dacb34e7130cf1a5d575f6d8d676072d96c8ab862c62fe50bad31429b97a133fc777cdcc956536758d9a45aad166821765b54820c77c29a1c1498e1448926abfd5c9ab6402d04ab

Attestation 8

Slot:

169236

Committee Index:

Aggregation Bits:

00010000 10000000 01000010 00000000 00100000 00100000 10000000 00001
01000010 00000100 10000001 00000000 01001000 00000011 00000111 0001
00001000 0

Validators:

Beacon Block Root:

0x676bd326ac57398f33909a76fe79cf7ba0308f4b58669a4394de9cd9853c069b

Source:

Epoch 5287 (0x0dc1bbef2aa7d5c93c76d84678e8711a93772a548144a7c0f2fbe10478e308f8)

Target:

Epoch 5288 (0x2acdb52b4e21d83ebb671cc7030f62351fce12e2c21fdc6d3d50858d61d6674d)

Signature:

0x82e7eaa5b0b84595a7acd54eea2f4b1a9e1490fa481ac19875cee383908aee79dd90a3fe0b413d016110105da6992a5716da21125619b8b18d519319897c13a39e354b2c8149610c5dbd39fdd3a308045046a43602e3d3be32eaea9ee29e2e3f

Attestation 9

Slot:

169236

Committee Index:

Aggregation Bits:

00110100 00000000 00000010 00000000 00000000 00000000 00000000 000001
01000000 01000001 00010001 01010100 00010000 00000001 11010000 00001
00000000 0

Validators:

Beacon Block Root:

0x676bd326ac57398f33909a76fe79cf7ba0308f4b58669a4394de9cd9853c069b

Source:

Epoch 5287 (0x0dc1bbef2aa7d5c93c76d84678e8711a93772a548144a7c0f2fbe10478e308f8)

Target:

Epoch 5288 (0x2acdb52b4e21d83ebb671cc7030f62351fce12e2c21fdc6d3d50858d61d6674d)

Signature:

0xacd47cea23e3fec66ab0eb404ced29d1e6dd581730c852abd236d99e08ff41f32d1ce9f8d07099ec806390c437e05b0b19a7fcea39493ccb09ea01a660a8222fee9057e79c98102fffdd9f6fee6627842bb3c37b8adb50650a26452ac0e3adef

Attestation 10

Slot:

169236

Committee Index:

Aggregation Bits:

00100000 00001010 10100001 00000000 00000000 11010000 00001000 0
00000000 00001010 00000100 10000000 00000000 00000000 01010000 0
11000000 0

Validators:

15144 14685 15044 15470 29429 15517 14009 29342 13293 13443 14003 14193 14351 14531 13554 29275 13338 14361 15002

Beacon Block Root:

0x676bd326ac57398f33909a76fe79cf7ba0308f4b58669a4394de9cd9853c069b

Source:

Epoch 5287 (0x0dc1bbef2aa7d5c93c76d84678e8711a93772a548144a7c0f2fbe10478e308f8)

Target:

Epoch 5288 (0x2acdb52b4e21d83ebb671cc7030f62351fce12e2c21fdc6d3d50858d61d6674d)

Signature:

0x978dfb59460df3c86a21ec4ad0f29b67529762cc943f3823dd379e65f3fb35424b97cb61bb27f84a2a87fe9d686256de016dfac3a22f5769a4932d2fa7f9917f537b655219f31040b275d5a1465486abddaaa85f57cf4f2e18c9cc8e495b19aa

Attestation 11

Slot:

169236

Committee Index:

Aggregation Bits:

00000000 10101011 00000000 00000000 00000000 10000000 01000001 0
00000000 00010010 00000000 00000000 00100000 00100000 00101100 0
00001000 0

Validators:

23248 27972 29529 23524 23339 29210 28774 28022 24068 28268 23692 23765 23403 29543 29186 29177 23695

Beacon Block Root:

0x676bd326ac57398f33909a76fe79cf7ba0308f4b58669a4394de9cd9853c069b

Source:

Epoch 5287 (0x0dc1bbef2aa7d5c93c76d84678e8711a93772a548144a7c0f2fbe10478e308f8)

Target:

Epoch 5288 (0x2acdb52b4e21d83ebb671cc7030f62351fce12e2c21fdc6d3d50858d61d6674d)

Signature:

0xaee9c0fd12715d91b755500a2df2196b89370365f1b21659a57d86129a4edd282ea7d46c7df56b37c121cacf913780480c8c66d67590a280de8c9f12085a56de3c2a163ba9640baef7de0cd9cfb333295af5145d8479de82a63ec92027aec232

Attestation 12

Slot:

169236

Committee Index:

Aggregation Bits:

00000001 00000000 00000000 11000000 00010010 00001001 00000100 000001
00010000 00100000 00000000 00000000 10000000 00000000 00010000 0
00000000 0

Validators:

15138 13843 13996 13712 14617 15387 14293 15280 29513 29398 13704 13420 29408 29241

Beacon Block Root:

0x676bd326ac57398f33909a76fe79cf7ba0308f4b58669a4394de9cd9853c069b

Source:

Epoch 5287 (0x0dc1bbef2aa7d5c93c76d84678e8711a93772a548144a7c0f2fbe10478e308f8)

Target:

Epoch 5288 (0x2acdb52b4e21d83ebb671cc7030f62351fce12e2c21fdc6d3d50858d61d6674d)

Signature:

0xb6ed291ff1d0ebc44ad9174081829446beaed0c13b1afc990575f35b4b96e0946bf1cb656dc0d1346bdb7f42a8064fba07435e0441444cdda7dea8fcd1223a1b7bf9f03367828470daec68ed314700d39d0ffde9b538b31470f494faa97d2717

Attestation 13

Slot:

169236

Committee Index:

Aggregation Bits:

00000000 00010000 00000010 00000000 00000000 00010000 00000000 0
00000000 01000000 00000000 01000000 00000000 00000000 00000000 0
00000000 0

Validators:

23838 23367 23544 23709 23769

Beacon Block Root:

0x676bd326ac57398f33909a76fe79cf7ba0308f4b58669a4394de9cd9853c069b

Source:

Epoch 5287 (0x0dc1bbef2aa7d5c93c76d84678e8711a93772a548144a7c0f2fbe10478e308f8)

Target:

Epoch 5288 (0x2acdb52b4e21d83ebb671cc7030f62351fce12e2c21fdc6d3d50858d61d6674d)

Signature:

0x858b15904d6b7c790b79ea9cdb04cf9df2e660f1613be5512b314312bae6776bc785b892d4d8ee0dded62434e2b7aa31158759e86fb2a57cb835a415260a9b797fba0837a101491b89ee4cf6135ecdc3a40922fad4917d928f866b52dcb71ff4