Block at Slot 91802

Epoch:

2,868

Slot:

91,802

Status:

Proposed

Time:

2025-01-01 13:10:24 +0000 UTC ()

Proposer:

metanull-node1

Block Root:

0x13fd89d54ee223fe41eca1f77799a365cdc2365eaf7e547e279e679c93cad10e

Parent Root:

0xb89ba784730f41dfead6e13663afb1e91d278a4d7c1512c2ed3a6e0a2cf6dcef

State Root:

0x79d18a845e914c07f0c46eaf7b14a0a54503b42e048c288fc7963f95dede8cb3

Signature:

0x86b55c32daff7b292c13afcf8db06a63687eb421a194d8a813080c5ebc2b453c13dbd5d11f9e676f42060485fdaf0f3117702d70b59ec2f75f59c054ae03123eb4ed45002034ef772c8b309b8c24265f08e4f870282e54809deb46a0547bd4dd

Randao Reveal:

0xa2e3fcfcb877f41437779276305a323513a97768c8e0e1651f0998d9726eb31700a4b51d89f925e7cb86ee8224fc1caf150fd852919a8eeabcc6a19a923823f589fbce0a3341735bfff61661a075978c56ae8bf85bc4aec903a6f0ee6ab974dd

Graffiti:

0x4255313431654c53633236630000000000000000000000000000000000000000

Hex UTF-8

Eth 1 Data:

Block Hash:

0xafbf7b2f42693ed946274c70d075b48b925336c96e0689897895119de6029688

Deposit Count:

3,002

Deposit Root:

0x08c9248b85842304ca5bf554909ab96a72a04a2ebb99355dbd479df2cc2622fc

Sync Aggregate:

Participation:

92.38 %

Bits:

11111111 11111110 11111111 11111111 11111101 11111111 11111111 11111111
11111111 11011110 11111111 11011011 11111111 11111001 11111011 11101111
10101111 11111111 10111111 11111101 11111111 11111110 11011111 01111111
11111111 11111111 11111111 11111111 11111111 11111111 11011111 11111110
11111111 11111111 11111111 11111111 11111011 11011011 11111101 01111111
11111111 11101111 11111111 11101111 11111111 11111101 01110111 11111110
11111111 11111111 11111111 11110111 11111110 10111111 11111111 11111111
11011011 11111111 11111111 11011101 11111111 11111110 11111111 01111111

Signature:

0x90283e7d8e441f3f107da5636f41c46e83918cfc98cd8c388efff32d48e3ffe3657ec7fa1ee8e4b8dee4c7dfc8781bd10fe649b4f5c8e5906d93a577273571a53a21cd8d079f955c5f84581aa084b5cad3021b6e68d8331e29aaf59b70aaa1ff

Execution Payload:

Parent Hash:

0x254f9cd7b8664402d028c94f55e9ff2c19155588ba79cd9fc2eddbdd40e73e78

Fee recipient:

State Root:

0x4e7098a2c97b238862fa0afc4c67f26b80869637f9a595ad5d2434c0bbdeb1fa

Receipt Root:

Logs Bloom:

0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

Block Randomness

Block Number:

85122

Gas Limit:

30000000

Gas Used:

Timestamp:

1735737024

2025-01-01 13:10:24 +0000 UTC ()

Block Extra Data

Base fee per gas:

Block Hash:

0x0ae097d7f3b709838645430aa00949596f1b07758c6d1a521c2424d9a02dff11

Transactions:

Attestations:

Votes:

1,037

Voting Validators:

895

Voluntary Exits:

Slashings:

0 attester & 0 proposer slashings

Deposits:

Showing 14 Attestations

Attestation 0

Slot:

91801

Committee Index:

Aggregation Bits:

11111111 11111101 11111111 11111111 11111111 11101111 11111011 0111111
11111111 11111111 11111111 11111111 11111111 10101111 11110111 1111111
11111111 11

Validators:

3265 22643 1482 23247 29879 11546 18477 29299 19284 27157 28811 18101 8946 1267 25667 28108 17078 20357 17009 17919 5370 11937 23543 15396 11737 7007 21157 10451 29749 19293 9803 7428 9404 7938 22103 6294 25592 14712 13378 15358 18015 17040 14429 23145 16319 9509 7194 2696 26695 14680 6015 3695 15630 22906 27936 4727 19007 25159 9631 11574 10629 19232 4971 21814 4072 14729 17992 4217 3369 21006 19248 9334 13229 29202 27051 12637 20093 19568 20085 22322 4107 2251 1668 16700 17526 22719 20784 11323 28335 20304 18933 25634 16315 2786 23041 15949 12492 22238 29158 9546 21162 15341 15458 4466 15901 29270 1690 2175 15778 6343 10812 28082 29020 14200 21492 1702 13917 23451 14169 23066 9963 15855 22529 29712 12913 6424 23723 17839 28710 21066 21593

Beacon Block Root:

0xb89ba784730f41dfead6e13663afb1e91d278a4d7c1512c2ed3a6e0a2cf6dcef

Source:

Epoch 2867 (0xdc4e56873958faea4ad8f1331031cff6f827bbb6a66696eaefd614012747060e)

Target:

Epoch 2868 (0x755c7cc66884d659c3c7c22281c3d7dc178ec4fd59340f69b465300b1164cf6a)

Signature:

0xab4e796df55b765959b899aa2db115d7533f2762e426879f829bdaf48d35453d9af0713852f6b6fa4db40761741f8561073040accc4bc7c1f6bbcbaf760bba7ea7fc9c2163c9bf53db799044cd7ec0b35940b93c1fccd6ece89e104439bbd686

Attestation 1

Slot:

91801

Committee Index:

Aggregation Bits:

11101111 11111111 11111111 11111111 11111111 11111111 11111111 1011101
11111111 11111111 11111111 11111110 11111111 11111111 01111111 1111111
11111011 1

Validators:

25892 9363 3786 21884 22861 9580 1659 9415 4984 20492 12125 20135 29969 9811 10002 26054 2378 9485 6889 20829 10329 26010 23540 10388 7903 6929 2062 16838 17428 1023 20629 2401 27642 19962 1320 13725 13297 15988 27132 15093 25984 19296 5928 25351 9374 29757 3855 28181 22592 26425 1426 18283 4170 4570 1637 2519 25543 1207 8778 21220 7121 27225 17934 4385 3229 16411 8637 14103 13868 4379 14988 12723 27018 12734 30159 5067 2808 3378 19149 16634 4495 12931 7725 29474 15996 13390 13228 25696 12818 23682 27595 21356 9186 8366 19236 20610 6870 21210 18391 27512 19865 11556 16185 6940 23693 21426 16590 4851 9837 7166 26760 10759 13077 25576 29344 11279 21530 8777 10079 4198 23587 28363 7456 29861 10810 3096 10456 12333 25867 22362 6021

Beacon Block Root:

0xb89ba784730f41dfead6e13663afb1e91d278a4d7c1512c2ed3a6e0a2cf6dcef

Source:

Epoch 2867 (0xdc4e56873958faea4ad8f1331031cff6f827bbb6a66696eaefd614012747060e)

Target:

Epoch 2868 (0x755c7cc66884d659c3c7c22281c3d7dc178ec4fd59340f69b465300b1164cf6a)

Signature:

0xb901acfa7b21e370724cb7d6735e425418ca217d7c813227cdc395856870417d396ea1b46ebe04cb2c6ee859d02d0aec07986f6f3d8287d61d3cd39f080ecff1999b12e36f1556e36471663776c166c1bca3ed88d22459977265e4de651f2791

Attestation 2

Slot:

91801

Committee Index:

Aggregation Bits:

01111111 11111111 11111111 11111111 11111101 11111111 11111111 1010111
11111110 11111111 11111111 11111111 11111111 11111010 11111111 1111111
11111111 1

Validators:

9458 29412 1545 26742 2891 8855 15576 18488 16085 21448 29756 7383 19739 19109 18424 26897 30638 28236 15651 28191 19732 15584 2123 18504 16443 9457 3678 7845 28401 17638 8685 17206 7810 11814 13010 12924 10758 6586 25482 13094 21864 17003 11580 1065 16832 7722 5792 28693 18367 9652 25597 8500 12206 19975 27243 8820 20237 11079 23403 9079 9645 2842 16449 23739 5634 10603 18022 1133 13616 3003 4005 2857 3913 12502 6512 11941 20615 7024 3797 29292 16747 22731 9195 11533 22472 9205 10688 3794 20076 6982 3042 8270 2567 25225 11298 18097 26881 1647 3066 27917 4872 1950 30405 22318 3649 15704 12345 28615 14522 30654 17710 8709 7319 11122 11315 11658 14572 21655 16067 5579 17131 27567 13738 11381 14156 22167 13498 1854 12439 23594

Beacon Block Root:

0xb89ba784730f41dfead6e13663afb1e91d278a4d7c1512c2ed3a6e0a2cf6dcef

Source:

Epoch 2867 (0xdc4e56873958faea4ad8f1331031cff6f827bbb6a66696eaefd614012747060e)

Target:

Epoch 2868 (0x755c7cc66884d659c3c7c22281c3d7dc178ec4fd59340f69b465300b1164cf6a)

Signature:

0xa9cbae9cadcb4e37cd719c61dea0da46ee0c9bb68376dee5596f3d64d17012b578d004d5796029279719ea6f5e6a5e9804244c8d005a8391b2e3bda0b0be6f487389f4489af2bdbf0f607460341a0ceee206e4690a02ffd4ffc2ccb2201132eb

Attestation 3

Slot:

91801

Committee Index:

Aggregation Bits:

11101111 11111111 11111111 11111111 11111111 11110110 11111111 1011111
11111111 11111111 11111111 11111011 11111111 11111111 01111111 1111111
11111011 1

Validators:

11847 19777 1772 25768 10017 17175 27235 16542 17651 26135 17538 9840 2072 17920 16650 8297 25184 23992 23402 3965 6346 15085 8138 12897 14740 16323 13123 1077 27922 18866 21001 2584 11654 21591 9794 3492 16113 3496 2898 11264 26314 4837 3433 3276 20969 2555 17182 7119 27274 29816 22454 16042 14231 7056 6667 3523 16980 17146 7341 5302 16465 5442 29394 20664 21788 26817 30679 9581 10247 3395 3651 21651 30233 3377 21686 11302 27140 29957 12808 9069 18658 8960 6890 15924 27028 7334 13259 8205 11195 29091 8308 18246 7323 23740 19667 16446 21851 17374 21791 25104 4693 28938 10887 1095 6409 21049 23047 25392 30630 28127 17792 12228 11349 10064 19949 28870 27577 21932 14305 11978 21242 11974 25158 23633 10442 1473 5765 2472 14675 5410

Beacon Block Root:

0xb89ba784730f41dfead6e13663afb1e91d278a4d7c1512c2ed3a6e0a2cf6dcef

Source:

Epoch 2867 (0xdc4e56873958faea4ad8f1331031cff6f827bbb6a66696eaefd614012747060e)

Target:

Epoch 2868 (0x755c7cc66884d659c3c7c22281c3d7dc178ec4fd59340f69b465300b1164cf6a)

Signature:

0xac50457160f6645c1284f86967d3cfb7249295d4e5c0879b2395de0342ef0b85beabf72a5210fdb5aa3af1a14e5e99f519c8929f22f449a49b3da033ee69500c67cbef021d54578e584a6628287dea46203346cd7a4ed83729f1e6c12d016795

Attestation 4

Slot:

91801

Committee Index:

Aggregation Bits:

11111111 11111111 11111111 11111111 11111101 11111111 01111111 1110111
11111111 11111111 10011101 11111111 11111111 10111111 11111111 1111111
11111111 1

Validators:

5695 26636 26418 6057 7785 18571 23965 8784 11139 6431 12819 8868 25317 6793 21078 18001 1832 21525 15877 14777 28950 20420 28323 3174 8527 26758 16518 2406 23245 14226 22694 15373 10885 28838 28560 25571 27686 8731 21346 2314 28788 9262 20553 13078 15185 16438 16596 1243 23819 18197 19157 8996 12041 18025 13947 8162 22586 2893 21539 26557 23095 14028 15777 10745 28680 19778 23474 25154 22666 8183 13344 20806 13404 28542 18165 22593 22044 9612 21549 9082 30554 3774 18578 30382 26371 15007 6604 5961 3589 2941 13568 30597 30594 16009 15169 3754 28365 13185 2495 4671 11838 6272 2026 29243 2952 17373 5436 22860 12284 16392 12367 4099 18374 28704 6693 30139 29717 25169 19018 28537 9999 17642 22723 12902 27500 26565 23219 30543 26173 18073

Beacon Block Root:

0xb89ba784730f41dfead6e13663afb1e91d278a4d7c1512c2ed3a6e0a2cf6dcef

Source:

Epoch 2867 (0xdc4e56873958faea4ad8f1331031cff6f827bbb6a66696eaefd614012747060e)

Target:

Epoch 2868 (0x755c7cc66884d659c3c7c22281c3d7dc178ec4fd59340f69b465300b1164cf6a)

Signature:

0x8b50f115408184780849ed14bcbae802b2be7cd9033757bddab648d48a150a6c1b98e17e088985fd3fbae999227bcc120e6645fb5fa6f4643201919c15c02f45d9b5e9599e0292bc008568fb9e9c3e1ef47ab6f63845e3c461f0dc6fe0766792

Attestation 5

Slot:

91801

Committee Index:

Aggregation Bits:

11111011 11111111 11111111 11111111 11111011 11101111 10111111 111111
11111111 11111111 11101101 10110111 11111111 11111111 11111111 1111111
11111111 1

Validators:

28509 10587 21315 29112 3861 17268 11002 15541 15600 9455 5559 7231 30164 7377 12587 14694 14088 4054 30527 7449 17951 23447 19617 19769 7708 22656 11062 30320 29894 6244 16555 28853 25247 25356 19355 26103 10026 2945 14102 14616 3209 8148 13258 11155 4306 19800 4542 20215 12626 8930 5158 12266 11789 4862 7286 1928 10849 4117 27181 23460 15744 25257 5903 2421 26635 2648 5127 21122 17857 9775 25747 2054 29419 20044 29221 11695 8287 15303 19657 7213 7321 15773 1556 23816 5429 6559 9577 21551 16105 14175 8911 9401 5907 23577 10052 13146 12180 4813 28989 25420 2878 20397 25524 17213 15719 14010 9338 19204 11272 19102 27602 15230 1021 8648 12409 14266 9618 11755 13066 8286 2397 2004 1233 12385 27828 16967 8208 14580

Beacon Block Root:

0xb89ba784730f41dfead6e13663afb1e91d278a4d7c1512c2ed3a6e0a2cf6dcef

Source:

Epoch 2867 (0xdc4e56873958faea4ad8f1331031cff6f827bbb6a66696eaefd614012747060e)

Target:

Epoch 2868 (0x755c7cc66884d659c3c7c22281c3d7dc178ec4fd59340f69b465300b1164cf6a)

Signature:

0x8a78a0507d910305bceceada8bc9c098569225da1f9f39eb6b648d3a030584a6c006d6755d2ca93210610f094e9a2c4709a130940a5233a8466765ab7b02805cffbe005064075122a79e539abe2a9f5a9a35abc1519ace1148924450f812f793

Attestation 6

Slot:

91801

Committee Index:

Aggregation Bits:

11111111 11111111 11110111 11111111 11111011 11111111 11111111 1101111
00111110 11111111 11111111 10111110 11111110 11111110 11111111 1101111
11111111 0

Validators:

27780 28508 18600 16950 25632 10154 10908 27170 17914 6258 26543 10283 5145 23239 16021 13380 1570 2722 28794 16338 29671 29268 7795 27849 10866 12405 17350 3440 29286 23604 22990 10445 19537 16658 22550 8882 30546 7663 27432 4804 20518 1120 29224 21992 4728 23054 2148 9364 29093 30625 4195 29990 16909 3228 14202 13730 1853 10223 14325 13031 13887 13641 10164 2532 15393 20150 25227 17650 4438 11118 12085 22564 2856 19395 18090 11563 19646 1660 14781 24097 28267 5991 22429 29988 4256 15736 12046 13882 2933 6438 29630 17258 4913 20503 20845 18452 29737 30619 26519 7740 28298 9966 16389 15598 18753 22375 23132 23057 2814 7054 6022 3322 9641 12724 28295 18517 4314 6636 28355 20106 11340 5347 24085 5969 17484

Beacon Block Root:

0xb89ba784730f41dfead6e13663afb1e91d278a4d7c1512c2ed3a6e0a2cf6dcef

Source:

Epoch 2867 (0xdc4e56873958faea4ad8f1331031cff6f827bbb6a66696eaefd614012747060e)

Target:

Epoch 2868 (0x755c7cc66884d659c3c7c22281c3d7dc178ec4fd59340f69b465300b1164cf6a)

Signature:

0x85a0a14b97117d641fb0a4f5a5ca386a1f723781da871f7d6e6d7175ba1837a8731d0d096aad54a86fb9eb0f3ceeb69b105546ebcd68a8d5f5568a20e00015516614fdf90164b7d4ea713541bb7b9d8559f630a8ce80a4688e221ae4604d6613

Attestation 7

Slot:

91801

Committee Index:

Aggregation Bits:

00010000 00000000 00100001 10000000 00000011 10001100 00010001 0
00000100 01001000 00000000 00100100 00000000 00101000 00000000 10011
00000100 1

Validators:

Beacon Block Root:

0xb89ba784730f41dfead6e13663afb1e91d278a4d7c1512c2ed3a6e0a2cf6dcef

Source:

Epoch 2867 (0xdc4e56873958faea4ad8f1331031cff6f827bbb6a66696eaefd614012747060e)

Target:

Epoch 2868 (0x755c7cc66884d659c3c7c22281c3d7dc178ec4fd59340f69b465300b1164cf6a)

Signature:

0x90bc8b164401fb257b450dd82f3a133f75f3fe8b9827c91d3a0f7b08263dee4843c715e096d1fba6a1f7bd02841227b007abb2b8af8fc6b8a6a4509cb838e5556cebfedcb33a800dd2c963a00484a1c787df3b7a124b7527fb4180ffc2137acf

Attestation 8

Slot:

91801

Committee Index:

Aggregation Bits:

00000000 00000100 00100110 00000110 00000010 00101000 00110100 0
00000010 00000000 00000100 00100000 00100110 01100000 00001000 0
00100100 0

Validators:

Beacon Block Root:

0xb89ba784730f41dfead6e13663afb1e91d278a4d7c1512c2ed3a6e0a2cf6dcef

Source:

Epoch 2867 (0xdc4e56873958faea4ad8f1331031cff6f827bbb6a66696eaefd614012747060e)

Target:

Epoch 2868 (0x755c7cc66884d659c3c7c22281c3d7dc178ec4fd59340f69b465300b1164cf6a)

Signature:

0x82eb1c9f0b6ee11531370382b2db61024dac589b753981e3c2684c1bfdb4ccb97828b69f2f4ebbfc7d9186b1182b49480a9bcdff91b78278695b8f39d4032bf6e3cf10f30cdc30e98364f5ea50fdae2531444fed4edeaabe78b66f6480e8b35e

Attestation 9

Slot:

91801

Committee Index:

Aggregation Bits:

00000000 11000000 11000010 00000000 00000000 11000100 00000000 0
10000000 00000000 00100000 00010000 00100010 00000000 00100000 1
00000000 1

Validators:

15541 15600 14694 14088 23447 14102 14616 13258 23460 15303 23816 14175 23577 14010 15230 14266 14580

Beacon Block Root:

0xb89ba784730f41dfead6e13663afb1e91d278a4d7c1512c2ed3a6e0a2cf6dcef

Source:

Epoch 2867 (0xdc4e56873958faea4ad8f1331031cff6f827bbb6a66696eaefd614012747060e)

Target:

Epoch 2868 (0x755c7cc66884d659c3c7c22281c3d7dc178ec4fd59340f69b465300b1164cf6a)

Signature:

0x808e83b05123886c85d0b52a8e199bdf29d6eb04f012ce23413618bf0128eb10baa046eaad487c3236effb3e0db55eb20268407119e8e334591971caa521dd1747e19a9fc2f9a9e59c342a6c717654a1316b4db81dd3881e9190863b20dbe891

Attestation 10

Slot:

91801

Committee Index:

Aggregation Bits:

00000000 00000000 00011000 00000101 01000000 01000100 00000000 0
10000000 01010000 00000000 00010000 10001000 00000010 00000000 0
00000000 0

Validators:

14777 28950 14226 15373 28838 28788 15185 13947 14028 13344 13404 15007 13568 15169 29243 28704

Beacon Block Root:

0xb89ba784730f41dfead6e13663afb1e91d278a4d7c1512c2ed3a6e0a2cf6dcef

Source:

Epoch 2867 (0xdc4e56873958faea4ad8f1331031cff6f827bbb6a66696eaefd614012747060e)

Target:

Epoch 2868 (0x755c7cc66884d659c3c7c22281c3d7dc178ec4fd59340f69b465300b1164cf6a)

Signature:

0x86c9203ed08df610e550640fc4be3e41133e24a833eeabffbf2f6ad83c6d9370b11225cd5c1a298932f52278f3d28c0a19f8029f0d0b2db81373e937aa8b9729a68881f6e784381f5ef2d8e34a4e297788fc16f9989248c65cdbfad30606eb4b

Attestation 11

Slot:

91801

Committee Index:

Aggregation Bits:

00000000 00000000 00110010 01000000 00000000 00000000 00000001 0
00000000 00000000 00000000 00100000 00100000 00000000 00000000 0
01000001 0

Validators:

23992 23402 15085 14740 14231 13259 23740 14305 23633 14675

Beacon Block Root:

0xb89ba784730f41dfead6e13663afb1e91d278a4d7c1512c2ed3a6e0a2cf6dcef

Source:

Epoch 2867 (0xdc4e56873958faea4ad8f1331031cff6f827bbb6a66696eaefd614012747060e)

Target:

Epoch 2868 (0x755c7cc66884d659c3c7c22281c3d7dc178ec4fd59340f69b465300b1164cf6a)

Signature:

0x97fd668caeb2f9e4ff69d58505f018658c8315df380dee755c3ace32f96d268f1e66f7ece2a64e6b3a8abe71e15fec280528e623280bc3e8aa34dc3a18a52d6014ad911d38fbae73b3f21dc60add4dcaae49983e19e0dab9e605d6e0e1f3fc95

Attestation 12

Slot:

91801

Committee Index:

Aggregation Bits:

00000001 00000000 00010010 00000000 00000000 00000000 00000000 0
00000000 01000000 00000000 00000000 00000000 00000000 00010000 0
01010100 0

Validators:

15576 15651 15584 13616 14522 14572 13738 14156 13498

Beacon Block Root:

0xb89ba784730f41dfead6e13663afb1e91d278a4d7c1512c2ed3a6e0a2cf6dcef

Source:

Epoch 2867 (0xdc4e56873958faea4ad8f1331031cff6f827bbb6a66696eaefd614012747060e)

Target:

Epoch 2868 (0x755c7cc66884d659c3c7c22281c3d7dc178ec4fd59340f69b465300b1164cf6a)

Signature:

0x8d5ff09707442b4917db98fa07dab02f2227a762dd16aa9185997534848d53f6455b3bbbf15433cce36a75964edb497d0c6ac8ac63b9527ccc52cae90a83017ccdf1b370bce5ae8cc45d6e7824a4b24e94f7bbf19870d825a8b2d54cb95c5977

Attestation 13

Slot:

91801

Committee Index:

Aggregation Bits:

00000000 00000000 00000000 00000000 00001100 10000000 00000000 0
00000011 01000000 00000000 11000000 00000000 00000000 00000000 0
00000000 0

Validators:

13725 13297 15093 14103 13868 14988 13390 13228

Beacon Block Root:

0xb89ba784730f41dfead6e13663afb1e91d278a4d7c1512c2ed3a6e0a2cf6dcef

Source:

Epoch 2867 (0xdc4e56873958faea4ad8f1331031cff6f827bbb6a66696eaefd614012747060e)

Target:

Epoch 2868 (0x755c7cc66884d659c3c7c22281c3d7dc178ec4fd59340f69b465300b1164cf6a)

Signature:

0x996bf8abc86154d0a34e93355d3a9795a9a998b766f67a317a4aec99f474f088c8fe8af6e9bb62d4d73bb2614263a4e2047910d0c4a7ff4b209e48e1587d8058d889ee7ca0fc701883d49ebcf7f30f86473f85880402e62269082f3c85b0d50f