Block at Slot 207,965

Epoch:

6,498

Slot:

207,965

Status:

Proposed

Time:

2020-12-30 09:13:23 +0000 UTC ()

Proposer:

14639

Block Root:

0x9b407801d8a72bde2f45365622ba64ec3eac2ad5fa33fb69b36fe883e3cae55d

Parent Root:

0x6732d060047d21e059398998a504c7c836b2dff10b5b4e500fcf28be9111cc7a

State Root:

0x625d3652a3fc1cc02fa7f012a820db3654b38036e3d5e52251559fa75c803127

Signature:

0xad6800be4b59326f75fe6c48a2b7be05f02971a8bb95d6f52165e5c886d7ae48e7a00f33fa64a7359c46cd0eac561af60b615ecd9eee67d9b36d8f49627d25b51aca1169dd3f0189f8924d343b372378715a2f70c8a1978208cfb64e290934b6

Randao Reveal:

0x904f15872fa5f8246c5fc3d16240108925be584926e67fc35e1b710d2fa993530fecd6003edd074e6bc689d541b556fd10b7b4cc52781db0dcc337cede973d9c6ecbf6b7bbb18c024e186e42cc2e75637ceb47bac43e53b427d0de8a20362258

Graffiti:

0xf09f90a057656c636f6d6520746f20746865204e657720426567696e6e696e67

Hex UTF-8

Eth 1 Data:

Block Hash:

0xc5eceea0fdaa22ccc10092b98ae465eba8d7c5f8b6cfb1e8d8f90b017411e778

Deposit Count:

66,406

Deposit Root:

0x0e3ea19b7ae2ddcdb6ebe1f48e1e10fffecd7245765319237e352d925c1bda8a

Attestations:

Votes:

2,015

Voting Validators:

1,452

Voluntary Exits:

Slashings:

0 attester & 0 proposer slashings

Deposits:

1452 validators voted 2015 times for this block:

Included in Block	Committee	Validators

Showing 13 Attestations

Attestation 0

Slot:

207964

Committee Index:

Aggregation Bits:

11111111 11111111 11111111 11111111 11011111 11111111 11111111 1111111
11111111 11111111 11111111 11111111 11111111 11111111 11111111 1111111
11111

Validators:

27099 38540 2849 44569 3930 1747 33606 40767 19263 23159 36060 1053 3887 25065 15501 20092 39973 17427 18775 46321 9908 31309 40669 40102 21443 20857 42917 14136 29597 44300 144 13934 28640 31308 2338 34403 45500 19719 18185 7319 40035 1112 28667 40218 6816 15413 9455 12106 29079 20982 35302 2936 6663 1180 4738 18897 21710 26121 46396 18492 46040 45445 23077 17560 7512 10915 39558 23480 21553 5476 6384 21509 23711 23558 33292 40351 34033 23261 31455 33826 39143 25651 37085 17353 7676 1125 32491 43397 35485 9281 31132 45798 36614 24069 21476 9108 7894 16853 13442 19157 46252 42041 3768 39767 1987 18940 46823 31760 14354 14558 39896 43531 1911 22490 22433 36166 40318 30208 10449 39900 11974 29975 34428 20690 11174 26116 18760 43794 46659 6169 556 25053 46560

Beacon Block Root:

0x6732d060047d21e059398998a504c7c836b2dff10b5b4e500fcf28be9111cc7a

Source:

Epoch 6497 (0x622078e495e555c1667b81de5328ecce2ad64785fefb188b70178d031306cd1e)

Target:

Epoch 6498 (0x3fc46afc09f39f374d9006367f8c8b3eccf2b619b73102cc2c17163af24bc7ee)

Signature:

0x99c4284e44c910952452cb1771175ff994c23c8b7318a94b7f5c2aeac396de9b4f0bb97835c5a66e3056093a06af6ba107b621f278fc699a3cfc74548b2a91ebe2fa56cebeaba7b3a8d5647b610876b0b6eeef35599c4ee4872b5d0cd98f83de

Attestation 1

Slot:

207964

Committee Index:

Aggregation Bits:

11111111 11111111 11111111 11111111 11111111 11111111 11111111 1111111
11111111 11111111 11111111 11111111 11111111 11111111 11111111 1111111
1111

Validators:

14516 37733 31899 11356 11241 41344 38405 7770 17630 7450 25882 10026 40677 4475 42644 25070 8669 24748 34319 505 950 32768 31769 26010 5870 36795 14855 9120 17856 27046 24579 46349 905 9116 18715 39751 1621 46625 43393 29603 42250 43927 13844 13862 5724 6746 46444 8013 26171 2219 1530 34165 1678 15920 8253 32280 18389 1708 35705 40370 46816 42790 17619 423 22015 7644 27382 43638 8613 29445 38453 20208 27051 11958 45381 12964 32715 37466 25670 38176 26479 4465 46423 260 42018 41808 31786 941 38828 41232 45413 584 1726 8623 25214 8679 17999 27834 25195 9392 8483 7802 44586 5532 42346 33234 39113 44669 8192 13296 18796 45048 39917 24181 40010 74 23129 17032 24500 23359 18901 36045 15303 16302 34673 32278 10849 30487 14774 19145 30432 41510 18570

Beacon Block Root:

0x6732d060047d21e059398998a504c7c836b2dff10b5b4e500fcf28be9111cc7a

Source:

Epoch 6497 (0x622078e495e555c1667b81de5328ecce2ad64785fefb188b70178d031306cd1e)

Target:

Epoch 6498 (0x3fc46afc09f39f374d9006367f8c8b3eccf2b619b73102cc2c17163af24bc7ee)

Signature:

0xae2d53f778b8326235970a31b940307c9ae7f5badec52e657d64039bca4adf5a5dadb96bc39786c21a1a2e8bd760f2261727b132a421cdd951432a12c977982f5ebf0f3c3299eadf0e340c511c076b137697bf8c0eccc01dea540d000198294b

Attestation 2

Slot:

207964

Committee Index:

Aggregation Bits:

11111111 11111111 11111111 11111111 11111111 11111111 11111111 1111111
11011111 11111111 11111111 11111111 11111111 11111111 11111111 1111111
1111

Validators:

14688 8629 20199 45086 21364 45404 6184 18960 15793 19492 7518 22302 7836 17680 26829 33568 483 14118 11641 40246 25158 22338 7551 35591 39108 45554 5930 21008 43108 33127 10053 8716 21447 26119 18349 7665 9369 46504 34396 2589 23434 44314 38308 38689 25758 23803 32206 43315 8880 42325 34024 33709 46265 4634 42308 3713 40588 35875 9545 30230 40055 30258 43432 39068 2582 12965 39296 4547 7679 46001 8851 23017 43461 9295 2460 42539 19377 14839 31029 30869 29266 45692 27722 31871 45579 3458 34467 40725 12150 21165 29665 29615 28789 8570 43327 12219 7097 20728 33111 37391 45682 3467 42068 22630 21228 42873 23526 12453 18 29410 24964 32140 45607 9954 6222 29933 46125 30904 19368 3177 10128 10275 21805 21660 45615 10388 23543 33156 39575 24750 40820 6092

Beacon Block Root:

0x6732d060047d21e059398998a504c7c836b2dff10b5b4e500fcf28be9111cc7a

Source:

Epoch 6497 (0x622078e495e555c1667b81de5328ecce2ad64785fefb188b70178d031306cd1e)

Target:

Epoch 6498 (0x3fc46afc09f39f374d9006367f8c8b3eccf2b619b73102cc2c17163af24bc7ee)

Signature:

0xac498830e4010692f8c1a56b71dca63357526bc7b933a402c1315d6bf4f364599e585dd18b71a372e6ead60c5f83ecac1447743fa9f9e4929b3c89309c2a1e75e6e281866e4ef99cb07e4105148548c55831d291cb67f0db9782fd9b635d25ab

Attestation 3

Slot:

207964

Committee Index:

Aggregation Bits:

11111111 11111111 11111111 11111111 11111111 11111111 11111111 1111111
11111111 11111111 11111111 11011111 11111111 11111111 11111111 1111111
1111

Validators:

12015 28572 14372 393 11394 18896 43318 29547 46422 21315 36686 1298 16188 9676 9627 14747 31234 34251 23384 29535 44320 1218 36220 23308 3583 7738 43249 20066 12714 9313 15011 23792 44286 35378 31199 30727 10660 28276 22211 29793 29956 30446 26649 3424 41674 1677 10780 45841 7854 6772 46714 22391 36911 26638 32889 3240 28447 38989 26154 34054 27664 41754 40403 22171 7663 37577 44468 34541 45195 38706 6233 1417 11809 21691 37374 7703 26878 8039 29798 40925 36316 23036 6210 19412 18288 38914 16118 21530 32986 29942 3769 16185 41445 8580 14727 25881 41396 41699 8354 4188 42394 23858 20023 18555 29209 46708 39017 14650 16197 10827 29974 32041 113 7645 16159 26871 5938 20582 36139 18871 30174 17505 32430 19744 17579 18097 43123 1469 40008 4904 29390 41599

Beacon Block Root:

0x6732d060047d21e059398998a504c7c836b2dff10b5b4e500fcf28be9111cc7a

Source:

Epoch 6497 (0x622078e495e555c1667b81de5328ecce2ad64785fefb188b70178d031306cd1e)

Target:

Epoch 6498 (0x3fc46afc09f39f374d9006367f8c8b3eccf2b619b73102cc2c17163af24bc7ee)

Signature:

0xb5496bd78ab9271a4fdce09daa3cf2b1c1d10d76de35d92a71ecdb779e45c41d73b2959a0d8118d5cc630a08a815ec4b19a070d359f9b69934d1bb752dae37944e8164782ca8b68a02b5cf85ba35912cb2f249b1a5da4ae8d3cffba78f074b08

Attestation 4

Slot:

207964

Committee Index:

Aggregation Bits:

11111111 11111111 11111111 11111111 11111111 11111111 11111111 1111111
11111111 11111111 11011111 11111111 11111111 11111111 11111111 1111111
1111

Validators:

4193 37835 12570 45250 46295 37999 9607 33994 13694 43719 11411 43498 3707 11502 21394 39928 40395 30778 22008 8666 39716 43093 8919 45515 4157 2426 25330 9251 7594 40792 30365 44579 23931 31707 3150 9575 22289 21491 43160 40034 30204 34253 20568 38811 42713 9292 17931 35098 20881 9447 35160 30235 19391 11531 1315 7333 22907 30023 37889 46241 43716 23469 7391 42549 27613 25531 9260 29675 39816 5850 31168 41488 18235 45271 7158 17797 31438 18524 19167 18380 2235 33185 9255 16123 37002 45833 28801 46196 39723 33766 44366 27926 43671 37097 10751 15427 3276 27574 44992 37024 3448 28483 5897 30285 41731 16204 10527 42762 21881 19592 5692 9635 29510 32813 21490 46725 25548 25366 33721 42763 25788 14435 9913 11703 14702 41036 20236 8197 19484 4305 29740 41316

Beacon Block Root:

0x6732d060047d21e059398998a504c7c836b2dff10b5b4e500fcf28be9111cc7a

Source:

Epoch 6497 (0x622078e495e555c1667b81de5328ecce2ad64785fefb188b70178d031306cd1e)

Target:

Epoch 6498 (0x3fc46afc09f39f374d9006367f8c8b3eccf2b619b73102cc2c17163af24bc7ee)

Signature:

0xb2a60637a9bc6f65c157415a66060798fdcdde2b2c262bec8c164cbf29004a6e8115927cefbf2852b0e68da5e6a7814b0d32b0f27140dc89da9fcd942ff5d593e4e2db3e876beb002eb0c5f5fcd07b136dff4a33d5f19380556baf472a032b71

Attestation 5

Slot:

207964

Committee Index:

Aggregation Bits:

11111111 11111111 11111111 11111111 11111111 11111111 11111011 1111111
11111111 11111111 11111111 11111111 11111111 11111111 11111111 1111111
1111

Validators:

29560 24022 24470 13089 19549 42011 3125 25738 43441 24986 41207 22704 43799 44359 21311 39031 14376 16126 39302 23025 20752 31701 21481 28629 28918 31741 20534 33169 28126 12648 41598 36328 6575 13787 46705 27588 27310 23332 16829 6080 29441 28373 25874 46012 24916 202 20631 753 20337 20300 28734 17804 37620 35626 26235 31047 12173 40512 44411 2750 46564 9388 28650 39368 26957 21110 15931 44583 26945 10555 14598 25116 31661 31958 25114 44978 903 38613 10138 39419 37120 114 4613 17358 42641 11924 31720 15873 9587 45077 42624 13610 14538 35252 2606 9105 1041 8774 28053 9083 21802 20804 12844 881 39810 38698 29517 16415 45886 1695 34123 9401 14186 853 16412 44853 44372 45300 24035 21142 11129 12539 6984 6322 24530 129 23282 42263 25482 4072 2140 36866

Beacon Block Root:

0x6732d060047d21e059398998a504c7c836b2dff10b5b4e500fcf28be9111cc7a

Source:

Epoch 6497 (0x622078e495e555c1667b81de5328ecce2ad64785fefb188b70178d031306cd1e)

Target:

Epoch 6498 (0x3fc46afc09f39f374d9006367f8c8b3eccf2b619b73102cc2c17163af24bc7ee)

Signature:

0xb98d8597badb4a021a9a8d485fa17fb28fae79162ad3a5100482a4105543b0ee1c05ce3a02764bb84831a4f1b3105a291441f3f8218fe4d5c44c95bb60a40d109b95f4f3b89c98f9aa307fd3ca9a75c084e15a55b95d49b163711abbd198b9fa

Attestation 6

Slot:

207964

Committee Index:

Aggregation Bits:

11111111 11111111 11111111 11111111 11111111 11111111 11111101 1111111
11111111 11111111 11111111 11111111 11110111 11111111 11111111 1111111
1111

Validators:

14832 26251 3115 23603 11127 22851 19652 4035 42882 25036 17561 20826 5755 34987 41651 23208 26141 18110 43585 36549 10637 36224 45805 41334 7455 34671 34511 39996 37583 40052 7281 34398 44983 27163 28849 21099 20101 39434 22690 17935 5399 27402 3049 24878 42969 41838 33239 42941 26666 17445 46833 9045 4789 17142 23407 45816 2252 25870 14188 7192 40540 1233 13383 25741 43989 45135 24387 41493 30704 4654 35419 46538 38070 9204 9785 25933 38962 23460 40957 18848 17375 11153 31370 40339 31035 21895 35884 8530 26806 10645 43478 24506 20486 42608 37648 591 107 40888 28263 18746 10487 15556 29538 27031 2154 44429 28790 9566 6018 38366 25628 43045 45995 27279 1288 30918 11925 13833 18388 21065 38516 25912 862 38050 18838 39927 6616 35968 36116 19810 41948

Beacon Block Root:

0x6732d060047d21e059398998a504c7c836b2dff10b5b4e500fcf28be9111cc7a

Source:

Epoch 6497 (0x622078e495e555c1667b81de5328ecce2ad64785fefb188b70178d031306cd1e)

Target:

Epoch 6498 (0x3fc46afc09f39f374d9006367f8c8b3eccf2b619b73102cc2c17163af24bc7ee)

Signature:

0x94cda97a618c1153bb0f8422bb0133c342b4be117c252db2e2d6c95c5916dc0faea9d847ac708e72d669d8a40d26984207cb4bab407e8101056b6adc7fc82afe9ec52e9ea09f186511c71fc46ee8af48b6642ed4779312fc66f4aa64886e90f7

Attestation 7

Slot:

207964

Committee Index:

Aggregation Bits:

11111111 11111111 11111111 11111111 11111111 11111111 11111111 1111111
11111111 11111111 11101111 11101111 11111111 11111111 11111111 1111111
1111

Validators:

35609 35878 17925 34491 11027 6150 28797 1631 34518 25264 9115 38328 20611 39430 26096 26592 43656 3505 10219 4221 11777 27689 34058 8350 6217 5368 34137 10417 34794 27521 32227 39742 19938 40913 7972 42482 38595 3213 8382 25983 31540 20565 14105 6817 9144 37301 26238 40231 26842 13121 27996 25886 38194 42611 6191 44116 21585 30705 8368 45548 18406 43000 13921 15023 36119 42377 17647 40739 28175 35250 38960 6115 20813 9436 6875 1814 19752 10945 26710 43316 41055 16078 33260 27580 16189 37480 31565 27084 40349 21211 12835 34337 20792 5132 37642 2556 24790 46401 23766 29828 23669 9481 15944 32946 15626 27745 19173 15478 43945 3013 5313 13324 5163 18158 20025 15809 12055 26726 29203 25431 34887 525 9699 1401 37208 2743 37894 21587 35748 35109 19376

Beacon Block Root:

0x6732d060047d21e059398998a504c7c836b2dff10b5b4e500fcf28be9111cc7a

Source:

Epoch 6497 (0x622078e495e555c1667b81de5328ecce2ad64785fefb188b70178d031306cd1e)

Target:

Epoch 6498 (0x3fc46afc09f39f374d9006367f8c8b3eccf2b619b73102cc2c17163af24bc7ee)

Signature:

0x84f6fa7ba6ba956a3d3b120912e45cf451a937401abf3a82117245b435dc6fb12d2ae77572ee10a0c3b52a271d95e5a301540e993c4de7a743be3d5509b476b93c9ffc545b56efe5891b9533ea6bfba3027d2acb179f8cc0835080dd957c5fed

Attestation 8

Slot:

207964

Committee Index:

Aggregation Bits:

11111111 11111111 01111111 11111111 11111111 11111111 11111111 1111111
11111111 11111111 01111111 11111111 11111111 11111111 11111111 1111111
1111

Validators:

42758 27048 2768 19753 18461 23438 23325 22622 31771 42310 22869 32660 22164 16823 26265 44353 38011 18616 16460 24657 36217 35625 40716 37786 6306 36206 9223 9343 42488 28696 43413 28394 43228 37781 35325 16355 21658 44110 19999 39341 12082 24018 23086 7698 24788 4381 38885 42730 29376 33033 18562 14656 28361 32004 23382 42991 20800 35176 45888 22435 41969 40459 27746 29051 45977 18379 37718 24755 14236 28765 19611 29638 19049 33828 17130 7172 40875 45227 11380 33792 27192 21322 9958 35686 33009 4621 20610 18817 44397 36739 35398 43565 22862 43810 17771 45711 37536 12232 40384 22190 30264 18526 15106 32918 10896 43445 27998 33061 6167 7875 15710 23144 36200 43916 42737 21732 28613 37357 27135 24390 26620 39285 10168 32709 22102 3409 6147 21746 24685 40493 18639

Beacon Block Root:

0x6732d060047d21e059398998a504c7c836b2dff10b5b4e500fcf28be9111cc7a

Source:

Epoch 6497 (0x622078e495e555c1667b81de5328ecce2ad64785fefb188b70178d031306cd1e)

Target:

Epoch 6498 (0x3fc46afc09f39f374d9006367f8c8b3eccf2b619b73102cc2c17163af24bc7ee)

Signature:

0x9087e1d9c3f154e8c284677f6fb6de33009f22c324a4d9147515c437853010e4067a38ca9462746b11dc6a42e8dd55a4178f05d2a2995aa23c5b572a642b7125a6a74cbe2e756fbace2acda63e23bdef3e518367b8aa4dedb619b106eaaee929

Attestation 9

Slot:

207964

Committee Index:

Aggregation Bits:

11111111 11111111 11111111 11111111 11111011 11111111 11111111 1111111
11111111 11111111 11111111 11111111 11111111 11111111 11111111 1111101
1111

Validators:

10748 5270 25729 15858 1995 10634 14382 11162 35199 24494 17408 9028 46384 15961 30502 22860 9380 6279 15351 32200 42084 43894 45776 37186 44368 4449 28706 19111 41523 45986 45402 7067 15134 19854 6482 25899 36209 6665 31580 37666 15645 10423 20339 2941 29309 6554 40313 5661 39378 24497 44452 43462 5799 2424 26880 10963 590 34700 4273 37675 309 2885 17137 30386 3381 26830 11568 2867 45849 39645 15021 24053 22245 10157 15350 9435 41331 36566 44865 26802 26659 26698 43662 13920 33630 23746 17451 5768 22611 9302 46407 25105 33355 27072 44552 417 42734 29156 39626 12528 44781 46573 20873 13081 42998 2684 24100 7584 46170 16522 26697 22061 33516 43203 30424 22729 24421 21642 11205 7771 35420 30657 22088 7612 39567 27350 6835 25578 22759 39653 2525

Beacon Block Root:

0x6732d060047d21e059398998a504c7c836b2dff10b5b4e500fcf28be9111cc7a

Source:

Epoch 6497 (0x622078e495e555c1667b81de5328ecce2ad64785fefb188b70178d031306cd1e)

Target:

Epoch 6498 (0x3fc46afc09f39f374d9006367f8c8b3eccf2b619b73102cc2c17163af24bc7ee)

Signature:

0xafa475f60cd9de7f6120d2e28ca0980483284c179c5e21eef80cfa699390d49f06123bbdef5fdaf8a51660cca24ee10210e5c57abedb7cf1064272041019b9831e184d10d9d323f390b295c403267a034e96d7b6bbf7a05abbcd43063b1c96e8

Attestation 10

Slot:

207964

Committee Index:

Aggregation Bits:

11111111 11111111 11111111 11111111 11111111 11111111 11111111 1111111
11111111 11111111 11111111 11111111 11111111 11011110 11111111 1111111
1111

Validators:

32858 2432 5109 6355 14328 40060 43339 24578 42099 15040 7176 28902 23294 42645 22010 35200 45379 40738 13021 6859 15631 25338 620 20755 29127 35301 6436 15000 7792 1002 21098 34343 3058 33162 13571 10885 19261 12344 22949 13114 45765 32269 15874 2919 29910 18679 21888 7147 33815 43946 7795 42436 28981 7074 23399 15720 9502 6842 11351 28982 20150 14798 22876 32864 45934 6459 26120 26583 34049 18568 28005 2977 39304 14724 12710 2174 12375 18682 11133 5769 9130 44044 5158 32283 32781 12994 29174 37259 36109 20630 6369 22363 29935 40859 15049 28422 37495 31507 455 26551 25059 21441 3474 12467 24900 43593 10189 20643 38443 9743 43910 35457 37893 29990 43533 37649 11469 22787 3410 8138 19056 33869 35867 3534 32020 43119 44317 17249 29361 26221 1017

Beacon Block Root:

0x6732d060047d21e059398998a504c7c836b2dff10b5b4e500fcf28be9111cc7a

Source:

Epoch 6497 (0x622078e495e555c1667b81de5328ecce2ad64785fefb188b70178d031306cd1e)

Target:

Epoch 6498 (0x3fc46afc09f39f374d9006367f8c8b3eccf2b619b73102cc2c17163af24bc7ee)

Signature:

0xb191a7032931292ae0806f4b1b9bf3bf2228a0e0dc8392e33cff561317fbd7a0c00b9d2164ae8f78888c34791ca3a2741295b5a49ff6ee86376a4c4a960c1f88c5e2ed9688a13520d35c9bab8bacf01d745b968b1cc3c106c4db69263314ab24

Attestation 11

Slot:

207964

Committee Index:

Aggregation Bits:

00000000 00000000 0

Validators:

21527

Beacon Block Root:

0x4f2c852c06e98052b40a3b9b6f7c3f0b7fc77228f6145d8484862b0034391137

Source:

Epoch 6497 (0x622078e495e555c1667b81de5328ecce2ad64785fefb188b70178d031306cd1e)

Target:

Epoch 6498 (0x3fc46afc09f39f374d9006367f8c8b3eccf2b619b73102cc2c17163af24bc7ee)

Signature:

0x8e8ea930d5bd1a2606831e034224036321c1c5c83eebb85459765e124d5be82e0df5b17d7d30854a888d1c9d03cbeab6098929e9226e341577de57a5908c7cf03272b86fa0d5e2a7bdf17082ecfde7e779e5573a057f5ce9b6213208edb73463

Attestation 12

Slot:

207964

Committee Index:

Aggregation Bits:

00000000 00000000 00000000 00000000 00000000 00000000 0

Validators:

19485

Beacon Block Root:

0x9c0e7e7df4ffa5c1b393110485b2b96d8686fd976245c8a98cb78bafe227a8bf

Source:

Epoch 6497 (0x622078e495e555c1667b81de5328ecce2ad64785fefb188b70178d031306cd1e)

Target:

Epoch 6498 (0x3fc46afc09f39f374d9006367f8c8b3eccf2b619b73102cc2c17163af24bc7ee)

Signature:

0xa743fc23800ab57f5b3a816f2f74d86ccb64f2bca02b508a94ce520fdd1b209ca146fd625c2da519fec47a719627e893078ffba42e4bd4b3404698af120c5d8c60a10ca0ade3d837e4ea960925d1bbf23c512e6a181d4ab6fdccd37d9e903dbd