Block at Slot 126856

Epoch:

3,964

Slot:

126,856

Status:

Proposed

Time:

2025-01-06 10:01:12 +0000 UTC ()

Proposer:

icelandcalling-node2

Block Root:

0xaedc01532bb37165976f060fc49bb5075af8f72e51b6255995223313e671d87a

Parent Root:

0xd2c1cef6d7b58a553e3cd7f4a41fa165702cad3c92823acfa426ae91c028c1ca

State Root:

0xe832b51038e4c4eb4ea312614036cab6439085ea08978c99e4f8e6eab6500dbb

Signature:

0xafcb413d3fc8a6ab4cdcd50e9942fcbe3d785ac46737b935c1c7816a5d14754e371c39f2402ba13dec357c979aecad5e04a76c288c7c7d95b59339fd95e25fb577cbdb62627eff69fc6075bfd6bc323e94d6b622b8c0770cbacc2cc79109d953

Randao Reveal:

0x88597a5de8a78fd74b25755e1bb8633523c43c7602fc1ef4daffec90b33a087050ae03da7e892c0bd2f6a04a6833ed9907116161676bf85b21700bcfc11e460559ecdacfb2598ff8551e5c5b5c0ed66d5b65cb9fef8ca3fd457623020a19f2b9

Graffiti:

0x42793a20526f636b657420506f6f6c0000000000000000000000000000000000

Hex UTF-8

Eth 1 Data:

Block Hash:

0xcf2734d528884be832c2d1c9bb7be88db2823ce942e483fe386ded754bfba231

Deposit Count:

3,002

Deposit Root:

0x08c9248b85842304ca5bf554909ab96a72a04a2ebb99355dbd479df2cc2622fc

Sync Aggregate:

Participation:

90.43 %

Bits:

11110111 11101111 11111101 11011111 01111111 11111111 11011101 11111111
11111111 11111111 11111011 11111111 11111111 01111111 11110111 11111111
11111111 11101111 11111011 11111011 11111101 01111111 11101111 11111101
10111111 11111111 11110111 11011111 11011111 11011101 01111111 11010111
10111011 11111011 11011110 11111111 11111111 11111111 11111111 11111010
11111111 11111111 11111110 11111110 11111111 11111111 11111100 11011111
11111111 11110111 10111111 01111111 11111110 01111111 11110101 11111111
11111111 11111110 11111111 11111111 10101111 11111111 11111111 11111101

Signature:

0x8d88c546e82528cdf19606a68b2d1e924fd0bead83bb402b654dc6bf5e876eb6add86fb93e7f990735af3892c9a895ac0f246a60078b2772912629b6c54001aacf81f3205e997667e5429d113bddd4a5d7885bede47902e9b75d1c3cacb03aaa

Execution Payload:

Parent Hash:

0xaa980a4e8184133daebbc5d9c57155ae7a3f0bfa0bf944544bbfbdb2b130ea60

Fee recipient:

State Root:

0x033e62857ffa255b43ab31fcad81df5b7b70ef0d554ffa99b640b9164c150ae3

Receipt Root:

Logs Bloom:

0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

Block Randomness

Block Number:

117793

Gas Limit:

30000000

Gas Used:

Timestamp:

1736157672

2025-01-06 10:01:12 +0000 UTC ()

Block Extra Data

0x4e65746865726d696e64

Base fee per gas:

Block Hash:

0x22953ca4cca3b1eb2665f095939825883d01178b5d0d3454a30225c6f7a96b1a

Transactions:

Attestations:

Votes:

914

Voting Validators:

914

Voluntary Exits:

Slashings:

0 attester & 0 proposer slashings

Deposits:

Showing 14 Attestations

Attestation 0

Slot:

126855

Committee Index:

Aggregation Bits:

11111111 11111111 11111110 11111110 11111111 11111111 11101111 1111111
01111111 11111111 11111111 11111111 11111110 11111111 11111111 0111111
11111111 1

Validators:

4008 3020 19742 20068 28606 10974 5875 12234 3094 16831 25897 2117 18995 25352 4243 12679 29491 23530 25855 5090 5983 9169 6075 16519 15002 9934 1496 6740 9342 15576 8355 12947 30325 21164 2929 9420 21351 17474 10964 27834 23722 14652 26611 26619 11978 20536 26236 18521 6238 1911 30131 18204 3583 21447 20762 27195 20271 18767 9437 28942 14740 1343 27037 19099 15251 26864 7388 7644 28109 24034 13286 2046 21194 20231 13285 7139 1407 19558 20340 1648 29942 19305 29736 26003 6468 2561 22213 6590 6224 6434 25716 29087 3044 27920 11672 4018 22521 13380 9410 12391 21697 4292 3223 16257 11038 21885 2391 22094 10163 19993 23480 13837 9676 21584 5300 20206 2125 18563 5436 2962 25107 5426 7424 10331 16681 29880 15566 12338 9608 27458 15791

Beacon Block Root:

0xd2c1cef6d7b58a553e3cd7f4a41fa165702cad3c92823acfa426ae91c028c1ca

Source:

Epoch 3963 (0x80d052bb35767a2e63a5dc95500a046df4da4b1a56545544d4007e0dd87d91ca)

Target:

Epoch 3964 (0xec47b35b11c1af267b66df50aa5a4dfe52be162738209dfe9d965c2da02faff6)

Signature:

0xb85e1f7c25ff315dd4601363c165a9a76cb71c5d7a22aafeaea06f09b6545fb488e0acdb9eaed3cee23b7b5c0dd91967037695d3a7b30cdfefbf425a5831563ffc2118343f78eb83440a7999cd90a056abe2ef0b946d3652c7b205735f14c3ee

Attestation 1

Slot:

126855

Committee Index:

Aggregation Bits:

11111111 10111111 11111110 11111111 11111111 11111111 11111111 1111111
11111110 11111111 11111111 11111110 11111101 11111111 10111011 1111111
11111111 1

Validators:

11409 2748 17367 17181 13093 20533 11874 25862 21820 21665 18413 19497 19667 22512 2296 7795 8359 12413 5243 7074 12139 4020 13260 13565 10495 7566 8795 1140 19049 12193 16345 29633 13136 29761 17872 9663 3289 7155 21410 9910 26219 8818 18957 20765 19266 2924 17688 22075 19246 2465 24075 27652 8473 25593 30373 18575 13132 13633 12699 21739 19378 18471 20864 11756 8397 28672 29630 6992 11680 6735 18718 19395 28404 6909 19990 5664 15439 28476 25629 3810 23132 6100 28769 14092 11578 12189 17706 25231 23428 20433 14498 9725 1610 28028 19588 21496 3096 9728 16142 11429 17630 15237 12764 2030 8431 22788 25448 8316 27065 29863 18256 14885 22885 4244 23625 6707 13831 13142 7076 27793 15186 29749 5143 7244 16747 15855 17463 18973 14815 9139

Beacon Block Root:

0xd2c1cef6d7b58a553e3cd7f4a41fa165702cad3c92823acfa426ae91c028c1ca

Source:

Epoch 3963 (0x80d052bb35767a2e63a5dc95500a046df4da4b1a56545544d4007e0dd87d91ca)

Target:

Epoch 3964 (0xec47b35b11c1af267b66df50aa5a4dfe52be162738209dfe9d965c2da02faff6)

Signature:

0xa50750e8985e908f600515ce02f4e04658af03119e2e031233ef94cc6f974f055ceac69b6f342cc3a24624b2fa26ca5c08fbef921dd7026de6f622918f0bc64e221753c0fe078341907373f2881bbf94405e448df8bfc67c639b6906508652d7

Attestation 2

Slot:

126855

Committee Index:

Aggregation Bits:

11111110 11111011 11111111 11111111 11111111 11111110 01101011 1111111
11111111 11111111 11111111 11111111 11111111 11111111 11101111 1111111
11011111 1

Validators:

1843 23754 10980 14075 8275 20666 16368 26163 13763 15908 6830 1651 8018 21205 4320 1929 22797 21484 29635 17251 2854 19415 19495 19806 14809 16673 25710 8051 18253 2613 6712 17142 12742 13926 15524 26901 18458 23053 28088 20538 18001 23651 10298 5684 19767 30292 15152 2634 28722 19875 12692 4107 5602 22159 12464 11685 5276 27910 22957 1999 13097 7815 1757 10512 26434 10466 30342 25250 19365 8339 19184 28707 26755 16474 16832 20184 19440 20229 3405 5733 12063 14638 21272 16101 22025 17710 28425 3618 27412 7591 28151 18821 26959 7826 9458 17302 17429 16003 21004 12685 14932 7159 7196 25607 16945 12238 4796 20055 19691 23612 8869 4833 3404 21632 14085 17724 3742 13352 26540 22028 21172 3953 9168 4617 22260 18791 19559 7010 14898

Beacon Block Root:

0xd2c1cef6d7b58a553e3cd7f4a41fa165702cad3c92823acfa426ae91c028c1ca

Source:

Epoch 3963 (0x80d052bb35767a2e63a5dc95500a046df4da4b1a56545544d4007e0dd87d91ca)

Target:

Epoch 3964 (0xec47b35b11c1af267b66df50aa5a4dfe52be162738209dfe9d965c2da02faff6)

Signature:

0x883f51c289d64402439483c29c4b4180b92e5b7e172b8a33c2c5f05dee79800de3bd8b1bc2c1f9fb359a2a726c007c7c1709376f3c5df5b1245f44dfc5752e395eefeee73ba213e5790f007346eba0a0775990565d818e3f2d1a9de9c8ac6d42

Attestation 3

Slot:

126855

Committee Index:

Aggregation Bits:

11111111 11111111 11111111 11110111 11111011 11111111 11111101 1111111
11111101 10111111 11111111 11111111 11111111 11111101 01111111 1111111
11111011 1

Validators:

23672 2323 15142 25541 3414 4452 14797 10039 23304 19002 17198 5446 4985 15515 16369 10904 14243 17668 1123 16618 8935 5584 19622 20214 25215 23624 26421 10426 14342 22361 20577 14907 27058 30411 16797 13554 19474 20880 23106 4325 18278 14049 16903 7283 5826 7315 9888 30413 27034 3243 26330 29658 8434 21440 5050 28830 22338 2332 3545 4132 12958 18739 30336 20532 28236 22423 16918 3533 5734 17786 22327 2199 6843 27153 5357 30391 3760 6449 30023 13165 7972 28909 5451 22806 4826 25509 15836 29330 12820 21601 18845 18564 10516 25237 16211 15821 5441 5336 29743 26042 16154 5793 29355 19936 3726 3746 4797 14969 6384 7613 3900 7023 11684 6733 14559 6407 15784 27075 19145 29560 4110 4042 30096 13694 7528 8947 7908 23122 30173

Beacon Block Root:

0xd2c1cef6d7b58a553e3cd7f4a41fa165702cad3c92823acfa426ae91c028c1ca

Source:

Epoch 3963 (0x80d052bb35767a2e63a5dc95500a046df4da4b1a56545544d4007e0dd87d91ca)

Target:

Epoch 3964 (0xec47b35b11c1af267b66df50aa5a4dfe52be162738209dfe9d965c2da02faff6)

Signature:

0xb1da195328b54cee2d1e941adc0b4a39af6e30b238104eaa9cc1669881c82836c078ff91d6d273b5cb7a825a3be75b580301504be28484275d132c23d17bc51aa8ca50d328cb38898fd9aabf1fad45935fcb77cf3fbb12821c47b31b3cb00efa

Attestation 4

Slot:

126855

Committee Index:

Aggregation Bits:

11101111 00111111 11111111 11111111 10111111 11111111 11111010 1111111
11111111 11111111 11111111 11111101 11111111 11111111 11101011 1111111
11111111 1

Validators:

4186 14281 22373 13857 19755 2883 18714 5762 19954 23830 24090 14693 5605 26337 29073 26989 7131 3354 17638 8579 19578 10082 27695 11713 14353 2382 7887 3538 8987 14356 2321 20555 20155 6930 15393 9445 17377 7513 26262 21587 17162 26507 10056 30135 10428 16327 4249 23532 28282 14773 8577 28727 6749 1741 26615 11300 20690 12613 23080 16165 10415 19130 13361 18914 4252 22458 19749 2683 20141 14487 22403 27972 12653 23067 30320 20025 3336 10053 22054 20594 24060 15168 11579 16465 11994 1053 27953 4096 13884 23646 19959 13791 20525 7811 30570 22396 2546 22368 15807 3342 28798 10527 28220 28519 1391 19752 5610 23101 28026 18678 11953 29739 7256 13955 18341 7955 27430 1605 27759 25990 17115 22122 1732 1616 22072 7208 30420 27806

Beacon Block Root:

0xd2c1cef6d7b58a553e3cd7f4a41fa165702cad3c92823acfa426ae91c028c1ca

Source:

Epoch 3963 (0x80d052bb35767a2e63a5dc95500a046df4da4b1a56545544d4007e0dd87d91ca)

Target:

Epoch 3964 (0xec47b35b11c1af267b66df50aa5a4dfe52be162738209dfe9d965c2da02faff6)

Signature:

0x8ce6e47c02f289c8cee39e624835ed66cc80201a9456398f6c84f0c10fdafa3ff28dbf488669afe721a921667cd201b908d6d7e1d111270f8b9cd310c7abad0ef2ef825f4298996e01b370dcc12e15a37c57322bcc526a2df943685c556e9e24

Attestation 5

Slot:

126855

Committee Index:

Aggregation Bits:

11111111 11110011 11101111 11001011 11111111 11111111 11111101 111111
11111111 11111111 11101111 11110111 10111111 11111111 11011111 1111111
11111111 1

Validators:

9902 17086 18329 30255 18763 17862 23470 28912 12322 11068 5802 30461 6599 19124 21491 9560 10274 9974 14548 11503 28171 10167 17904 18638 26603 18947 10734 22804 3397 27515 6872 20710 14993 19196 21727 6952 25195 15466 18704 2173 9197 8572 16678 5016 10151 25625 6465 29169 10744 16740 13555 12976 15690 16932 26027 11548 20844 4962 2175 3619 19711 22081 11265 6609 1056 29046 23288 1042 13292 30032 11112 25227 8559 13737 21001 28488 22638 23702 15097 20415 14450 11862 26879 6230 27226 18169 17801 4582 27757 1778 11830 14452 22499 20349 21708 30270 18233 1309 6339 13511 2227 11105 15162 16766 18517 14595 26654 23566 20800 10635 29897 26274 18646 13416 26628 18298 27847 3340 25286 11902 6865 22248 20302 1735 10300

Beacon Block Root:

0xd2c1cef6d7b58a553e3cd7f4a41fa165702cad3c92823acfa426ae91c028c1ca

Source:

Epoch 3963 (0x80d052bb35767a2e63a5dc95500a046df4da4b1a56545544d4007e0dd87d91ca)

Target:

Epoch 3964 (0xec47b35b11c1af267b66df50aa5a4dfe52be162738209dfe9d965c2da02faff6)

Signature:

0x921277366e36c1638f80338bffaf7229d895fba4fa2454a75234ccfba1cf63506b90cc5deb6aabcbaedbf873f2448d77110abfcf43eddb83bdbf22a580447c5ed92bc9e174172368c151b5eed33e92387eb5d5e64cb2f0168c8e50b7839f395a

Attestation 6

Slot:

126855

Committee Index:

Aggregation Bits:

11111111 11111111 01111111 11011111 11100111 01111111 11111111 0111111
11101011 01111110 11111101 11011111 11111111 11111101 11111100 1111001
11111111 1

Validators:

9360 8537 10433 1895 25675 25290 30266 14055 15287 15941 20564 27670 3825 4937 21395 8320 17097 27523 8358 19173 12814 14282 19071 6469 8501 29088 15472 17333 18993 28463 2829 29990 15453 4201 27833 13219 5459 8079 19366 12574 22076 5851 17868 21098 16760 20130 4782 1303 29593 6932 11582 20560 21204 18488 23015 7548 10705 19629 20625 30241 13985 1176 15787 28414 18248 9236 18352 22730 15794 7903 3986 16884 3838 2976 11693 13366 16629 1968 9036 17776 9530 6828 10726 5681 22747 30272 5378 18495 22517 29842 9396 16297 26222 1909 9080 18461 4215 14244 27351 23512 18801 15483 10394 18017 30151 14469 16023 19476 14127 28922 27326 12281 16882 30087 20774 12474 11496 2723 17139 28336

Beacon Block Root:

0xd2c1cef6d7b58a553e3cd7f4a41fa165702cad3c92823acfa426ae91c028c1ca

Source:

Epoch 3963 (0x80d052bb35767a2e63a5dc95500a046df4da4b1a56545544d4007e0dd87d91ca)

Target:

Epoch 3964 (0xec47b35b11c1af267b66df50aa5a4dfe52be162738209dfe9d965c2da02faff6)

Signature:

0x95d7228de2f7d070588d370487762cbf81daa5f5deadcc4e7a8cf0054f972e53e133da7dcea7111a2bb2b89cb681a36b0f40fdb9a35bba853c12e370a5d54cf57fbe7b6f8e44afd3868726e2eae336685e9066c3d5d1d38a593af68c9550b56b

Attestation 7

Slot:

126855

Committee Index:

Aggregation Bits:

00000001 00000000 00000101 00000000 00000110 00010000 00000100 01
10000000 01001000 01101001 11000000 00010010 10000010 01000100 1
10000010 0

Validators:

Beacon Block Root:

0xd2c1cef6d7b58a553e3cd7f4a41fa165702cad3c92823acfa426ae91c028c1ca

Source:

Epoch 3963 (0x80d052bb35767a2e63a5dc95500a046df4da4b1a56545544d4007e0dd87d91ca)

Target:

Epoch 3964 (0xec47b35b11c1af267b66df50aa5a4dfe52be162738209dfe9d965c2da02faff6)

Signature:

0x970995734fc9fcf0a3ccc4a1a08f87bc0a9fcc596b6028c03b3a09229381528a4acadf02dd63f11c5e885429fbe455210cc702ac90385bbbbb6bfba271a8d43dde5b5525163bc5446fee4fb246e84c3a043765cbfe5bb65ce84496666af7c475

Attestation 8

Slot:

126855

Committee Index:

Aggregation Bits:

01001000 00000010 00000000 00010000 10011010 00000000 00001010 0
00001000 00110100 00000101 00001001 00110000 00000110 00001000 001
00000000 1

Validators:

Beacon Block Root:

0xd2c1cef6d7b58a553e3cd7f4a41fa165702cad3c92823acfa426ae91c028c1ca

Source:

Epoch 3963 (0x80d052bb35767a2e63a5dc95500a046df4da4b1a56545544d4007e0dd87d91ca)

Target:

Epoch 3964 (0xec47b35b11c1af267b66df50aa5a4dfe52be162738209dfe9d965c2da02faff6)

Signature:

0xb2a34a3b99551a3ef8e3a53665c3c7c355e22fde2742b13203296842025fa3dffe92687c225333a7258b39308fae0148139c563ce93759af0cfe376f065b65c3ad4752c9de12ee806b9ef8fafe37f94ae287ece42754926aaad5812a26e6bae2

Attestation 9

Slot:

126855

Committee Index:

Aggregation Bits:

01010000 01000000 00001000 00100000 00011000 10010000 00100010 0
00000000 00000100 00000001 00001000 10000000 00100000 00001000 01
00000000 1

Validators:

Beacon Block Root:

0xd2c1cef6d7b58a553e3cd7f4a41fa165702cad3c92823acfa426ae91c028c1ca

Source:

Epoch 3963 (0x80d052bb35767a2e63a5dc95500a046df4da4b1a56545544d4007e0dd87d91ca)

Target:

Epoch 3964 (0xec47b35b11c1af267b66df50aa5a4dfe52be162738209dfe9d965c2da02faff6)

Signature:

0xb20a32e595fcfff149f89bf9c16b5c5d97afa20d6d9f2713c0742409e8d9b37e56999e77043f0b8bedd5b0e3cd70f40419cc3650fc7f1d6fc34800902450bc76ed42b41b0ba5564f1fe96f23f9b72d48d84365c471934911839eb36b17b16a79

Attestation 10

Slot:

126855

Committee Index:

Aggregation Bits:

00000011 10000000 00000010 00001000 01100001 00000000 00000000 0
01100000 00000000 00000100 00000000 01000100 00000100 00100100 1
00100000 0

Validators:

30266 14055 15287 14282 15472 29990 15453 13219 30241 13985 13366 30272 29842 14244 15483 30151 14469 14127 30087

Beacon Block Root:

0xd2c1cef6d7b58a553e3cd7f4a41fa165702cad3c92823acfa426ae91c028c1ca

Source:

Epoch 3963 (0x80d052bb35767a2e63a5dc95500a046df4da4b1a56545544d4007e0dd87d91ca)

Target:

Epoch 3964 (0xec47b35b11c1af267b66df50aa5a4dfe52be162738209dfe9d965c2da02faff6)

Signature:

0xb5e227f842ac6d9cce452e2ec78eb67f2bc032cdbc6b0234d1dc862118c65995eb9183ee860c4fd56a31c42d230ebee71959938da39b975bd0a35d8880d45e57c3b087f090c5b0ba7658e8612d0960c6a83451cf3e7ba22bb87acc7f7db2ab0c

Attestation 11

Slot:

126855

Committee Index:

Aggregation Bits:

00000000 00000000 00000000 01000010 00000000 00010001 00000000 0101
00001000 00100110 00100000 00000000 00000100 00000000 00001000 0
00001000 0

Validators:

15002 15576 14652 20536 20762 20271 14740 15251 13286 20231 13285 20340 13380 13837 20206 15566

Beacon Block Root:

0xd2c1cef6d7b58a553e3cd7f4a41fa165702cad3c92823acfa426ae91c028c1ca

Source:

Epoch 3963 (0x80d052bb35767a2e63a5dc95500a046df4da4b1a56545544d4007e0dd87d91ca)

Target:

Epoch 3964 (0xec47b35b11c1af267b66df50aa5a4dfe52be162738209dfe9d965c2da02faff6)

Signature:

0xb02163e21022578a865186a2831efa06c64cc5d2e161b5ac961041aea905937382934f8ef21ce067270519b20f5df26d192fbcb03b59b86cf246bec9871a1a4cf5df0f02bfd2b0e897ee23e192ac5d775a29c2e1130b998cc6c49b422f2aab6a

Attestation 12

Slot:

126855

Committee Index:

Aggregation Bits:

00000100 00000000 00000000 11000000 00000000 00000100 00000000 0
10000000 00000001 00000010 00001100 00000000 00100000 00000010 0001
00000001 0

Validators:

20533 13260 13565 20765 13633 20864 15439 14092 20433 14498 15237 14885 13831 15186 14815

Beacon Block Root:

0xd2c1cef6d7b58a553e3cd7f4a41fa165702cad3c92823acfa426ae91c028c1ca

Source:

Epoch 3963 (0x80d052bb35767a2e63a5dc95500a046df4da4b1a56545544d4007e0dd87d91ca)

Target:

Epoch 3964 (0xec47b35b11c1af267b66df50aa5a4dfe52be162738209dfe9d965c2da02faff6)

Signature:

0xaa825a3a06a830d7e2c90908d593727bffdb555d1febfb44afc3e3b7b0c1e5d20fb814371fac22553817195ab3c9d0a8071d1a84ca33dcedf2fcd037ecce8f67d0abd54448909952eec56926e25d0b2a51596b26363b6d8fe727cd788ede1f30

Attestation 13

Slot:

126855

Committee Index:

Aggregation Bits:

10000000 10000000 00000000 01000000 00000000 10000000 00000100 0
00010000 00000000 00000010 00001000 00000000 00010000 00000000 0
00000001 0

Validators:

23672 23304 23624 23106 29658 28830 28236 28909 29330 29355 29560 23122

Beacon Block Root:

0xd2c1cef6d7b58a553e3cd7f4a41fa165702cad3c92823acfa426ae91c028c1ca

Source:

Epoch 3963 (0x80d052bb35767a2e63a5dc95500a046df4da4b1a56545544d4007e0dd87d91ca)

Target:

Epoch 3964 (0xec47b35b11c1af267b66df50aa5a4dfe52be162738209dfe9d965c2da02faff6)

Signature:

0x9582a9836f7fc1a4624d8b6597a23fc645556d5136cb62bdea2debd4f3b8d3085bc7b9ba57c05b9dd25082d8f1746ed51635c9dc343f34938450058ae2a5392e72e8350337067fe3c1e3d781cafef428eaa8df85842328074c17fb2c8f2fd3c3