Epoch:
Slot:
138,430
Status:
Proposed
Time:
2025-01-08 00:36:00 +0000 UTC ()
Proposer:
Block Root:
0x289b074c58e5e91d4886d496be8b50f821f45aa77fbcf8eafecdced7dfc9b240
State Root:
0x0c32c089a3f7c6d49da718fbaba042bdeccd5a0bdb2e03d65a19a82e417a9474
Signature:
0xa537ebe3272cb379c97328c4680afea436d200ec25eeb6b52ab3ba9676de9c58f74a9460e56c6bba21287e8ab094001f13411f94f93918054b0293cd3e0a97a53a2793a62ec08640bb5c8829f7419c7b847634413ea73d3b473e4981ac82e69e
Randao Reveal:
0x8f90850c1397bdee90279ee1c7ba40126c2f5be6d4432841bc890613c8ac04a8a899e3c7428e1dd44f7249df810b55ed19eddec04edb108c9f563a63e008b1ad6142d8ad295367af705b2fff39febc230b2bd32d016b144a3103fd392149e501
Graffiti:
0x52656d792d4e6f64653200000000000000000000000000000000000000000000
Eth 1 Data:
Deposit Count:
3,002
Deposit Root:
0x08c9248b85842304ca5bf554909ab96a72a04a2ebb99355dbd479df2cc2622fc
Sync Aggregate:
Participation:
89.26 %
Bits:
11111111 00111111 11111111 01111101 11110111 11011111 11111111 11111111 11110111 11011111 11111111 11110111 11111111 11111011 11111111 00111111 11110111 11111111 11111111 11111111 11101111 11111111 10111111 11111111 00011111 11111011 11110111 10111111 11101111 11111101 11011101 11111111 01100111 11110101 11111111 11111111 11110111 11111111 11111111 11111111 11111111 11111111 11011111 11101111 10111111 01111111 01111111 11101111 11111111 11101011 11111110 11111011 11111011 10110111 11111111 10111001 11101111 01111111 10111101 10111111 11101111 11111111 11011111 10111111
Signature:
0x88abf2045e68ad206c886a6c1331372840fde6cc972ef2b4f684e5be7b115177f2ee3ed2149cf92246dd8dd67437740006e290c80d4a149bb013802099ea27d524b0ffa419e5494b879dec954be255b16aaf8dd9d9301b58559c96e19087f1c6
Execution Payload:
Parent Hash:
0x55cc475951c6028dcfa5ec1f07d0e7953142b50683a4f82fcdba7ac694735632
Fee recipient:
0x
State Root:
0x3cb4c4e7816242c1b4159489ce0d781ca063f90b494260c3cac2b2d13f181c43
Receipt Root:
0x
Logs Bloom:
0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
Block Randomness
0x
Block Number:
128646
Gas Limit:
30000000
Gas Used:
0
Timestamp:
1736296560
2025-01-08 00:36:00 +0000 UTC ()
Block Extra Data
0xd883010e0c846765746888676f312e32332e33856c696e7578
Base fee per gas:
7
Block Hash:
0x168c010f4211766f84add1af80f46d3cd93bd2ac4703da75609ba04fbdcfcd70
Transactions:
0
Attestations:
13
Votes:
1,922
Voting Validators:
1,806
Voluntary Exits:
0
Slashings:
0 attester &
0 proposer slashings
Deposits:
0
Showing 13 Attestations
Attestation 0
Slot:
Committee Index:
4
Aggregation Bits:
11111011 11111111 11111111 11111111 11111111 11111111 11111111 1110111
11111111 11111111 11111111 11111111 11111111 11111111 11111111 1110111
11101111 11
11111111 11111111 11111111 11111111 11111111 11111111 11111111 1110111
11101111 11
Validators:
12221
13782
4001
5601
13142
3174
3403
1028
6620
22278
15762
7077
27016
23768
10288
15937
16329
16490
1183
19173
18296
27723
5040
18040
18976
3844
8662
25565
22642
9138
1113
3245
11233
9781
14743
14200
19517
15256
11027
25885
6172
15448
27815
28314
25254
7127
27639
22108
2460
14846
6500
26045
1940
11983
27742
18075
20265
16025
28952
26658
1702
15292
30127
2968
7889
18725
14185
22149
12299
26887
21615
20161
9353
5028
28830
9452
8072
28101
3388
19718
10515
23177
17111
11701
21039
18027
6554
1725
15545
10703
28250
2790
25901
30685
27457
4864
7008
1923
8780
23309
17984
28037
21598
11757
2606
29622
5704
11085
23005
15779
7385
4642
24036
14942
17268
29733
29711
6794
8660
21640
20063
1535
1012
9294
19700
4217
16432
24072
20203
17650
14268
30361
9281
3914
Beacon Block Root:
Signature:
0x89c0f658ef3c61de76decd4bf79a2b8a6d4c7f827be52b546159c4e7c2ff884947447d35daaa495c1cd05c95d83897d41055dff27eaf1e12196308550a5965a9d58db871e9709169dde946375e618a6fe0ab10f8df88e802d5ee6c357bd4fec0
Attestation 1
Slot:
Committee Index:
6
Aggregation Bits:
11001111 11111111 11111111 11111111 01111111 11111101 11111011 1111111
11111111 11111111 11111111 11111111 11111111 11111111 11111111 1111111
11111111 1
11111111 11111111 11111111 11111111 11111111 11111111 11111111 1111111
11111111 1
Validators:
29903
14345
5682
11576
14131
29955
17484
2922
19664
15355
20889
8481
19566
15564
15391
8415
30658
21805
10733
14106
22677
12836
7091
21153
15631
7368
12460
11290
21018
27654
9661
19755
18840
17319
17337
4636
27232
18901
30408
11140
13597
3753
16075
12530
12393
20037
16426
8035
17021
26187
18998
23565
26083
6816
12679
25532
3084
16003
9753
23154
26999
13986
18450
5806
10877
14989
2788
27224
6331
9011
3285
15338
3297
18849
2066
21239
7955
11313
2862
12859
20938
7055
7226
26675
12426
12961
20459
30566
18420
4557
17188
6035
9323
19494
8932
14365
26732
3543
14647
29835
4707
6704
12235
1035
10127
13362
21196
26652
2866
27437
7814
6460
23367
5610
6468
28947
12915
21063
29892
21084
2075
1618
26897
26368
11432
7658
5073
2911
13610
26403
9024
20142
Beacon Block Root:
Signature:
0x96569514fa12249388a98800f918e470452b45159b35cd7b4f13b8387fe7937214549b74795c0ce4846ed9a71ef150040354d8a59a4be2658ba82382499af4a077864b53f1096836b7d25bfa6ec6f23fdc0124f1a4faea07539ac55965498fe8
Attestation 2
Slot:
Committee Index:
3
Aggregation Bits:
11111111 11110111 11101111 01111111 11111111 11111111 11111111 1101111
11111111 11111111 11111111 11110111 11111111 11111111 10111111 1111111
11111111 1
11111111 11111111 11111111 11110111 11111111 11111111 10111111 1111111
11111111 1
Validators:
16952
6246
23219
16056
9065
1347
22354
26036
26410
21378
17005
1327
12124
29596
29908
21720
26132
30338
21852
22287
12759
3684
7849
19853
15287
24068
12293
8153
2907
3624
7479
22075
28508
9873
27621
15397
6563
5581
1432
11385
14081
23294
12776
17048
13135
22114
18623
15683
13184
4366
8178
12259
27309
1369
9453
4578
17980
13997
4462
12027
18338
11820
15599
16585
20316
18579
10321
27651
6933
11304
11059
9064
29253
17110
8513
22389
5727
20109
19751
19978
19156
13415
22586
15966
13904
21325
4176
12739
11872
26917
11710
17578
20829
22752
23599
9384
11483
22757
22912
22622
23402
23941
11325
5096
5575
3191
14738
15319
12169
19275
20347
12044
12419
18489
10948
2796
29142
27298
14576
6130
30404
11568
8302
19805
7734
23170
16531
14344
12860
1552
1409
Beacon Block Root:
Signature:
0x93a559dd19f304809636b251879663c866f4780ddb19c9debd0b7b668b9463693f02302fb8e39c939e9b4d989128696b00b7f3ba64983ebb7b1042286906d3356a8ab3f4c9ef134bbe7a0faeee109f3907ed7cafd3e536b59ab9fd9fe9ce6191
Attestation 3
Slot:
Committee Index:
0
Aggregation Bits:
01111111 11111111 01111111 11111111 11110111 11111111 01111101 1111111
11111111 11111111 01101111 11101111 11111111 11111111 11111111 1111111
11110111 1
11111111 11111111 01101111 11101111 11111111 11111111 11111111 1111111
11110111 1
Validators:
1835
23421
14383
9006
18457
7803
2574
3492
21670
14534
30003
25764
4206
7135
1869
27727
20729
26848
13435
14056
18929
21368
6154
28089
5052
3195
19953
9474
4672
16317
9738
2624
6744
9534
26119
25149
29478
26726
23015
25181
28558
8614
30118
15679
5084
6338
19157
23917
22036
29156
20513
27576
7638
9746
21011
1465
19033
2282
18013
22282
29207
4201
10557
9293
14240
1042
13539
17585
8916
18139
25536
30088
5132
28781
17181
25871
2457
25959
11154
10682
26096
10770
15313
16931
7794
17805
26385
8068
26211
27197
30161
22124
3128
10530
22396
20812
21909
3576
19776
20443
12725
28623
16880
10480
2350
13712
16120
23718
29344
1462
23753
5065
29915
5826
25603
23757
17972
26518
5784
21481
17183
15368
20413
23882
26357
26930
18449
30632
Beacon Block Root:
Signature:
0x81e020520ace9e2e3eb71ea079bf149875948094d5b48e7b5e167f7c2606d8627d5fd41396a6488330910cb1c5428e73187390d3ce91a75e289f981a64c7f548655427ac92976a9ee342a501275d1d74f1c8721311f478bf11fbe6101ae1fbb1
Attestation 4
Slot:
Committee Index:
5
Aggregation Bits:
11111111 11111110 11110111 11111111 11111110 11111111 11111111 1111111
10111111 11111111 11110111 11100111 01111111 11111111 11111111 1111111
11111101 1
10111111 11111111 11110111 11100111 01111111 11111111 11111111 1111111
11111101 1
Validators:
25162
10926
17295
7605
19907
11094
26127
30596
3365
29341
1110
10962
5221
3861
3270
28141
26355
6403
27264
28401
14658
26611
27096
11621
2798
30367
27038
11351
1053
23211
11098
21738
27764
17853
19382
18469
23357
22800
8044
29382
6521
13980
18404
15113
25211
28289
22321
8693
8737
18609
21225
9963
22781
29576
1583
11326
1995
26481
29418
13780
23007
1762
17309
27061
27032
8984
5430
20366
10476
4506
16524
13178
4530
2524
26573
5548
25525
15199
17487
13364
29255
13911
14754
27527
21467
28686
8920
13571
25552
17427
5359
1474
10381
10352
15970
2993
27933
23049
22735
18714
15062
25355
23550
26170
23056
26752
2834
12495
19582
2502
14141
2617
10517
29270
16467
2318
1807
20238
23551
15455
27488
18653
12527
28683
21896
5881
15221
17144
Beacon Block Root:
Signature:
0x95311bc7800a8feae815d5f808bb3d98d2a865f67e261d617c3b559fd27faa1cfd638222e285354ae9a8aa53a04a759a0e300173427e75446c068ca0ffd205a1a9f73e94c5863abc1c6346d031e4a038ad62d86aea56746d2287e63e850c58c4
Attestation 5
Slot:
Committee Index:
1
Aggregation Bits:
11111111 11111111 01111111 11111111 10111111 11011111 11110111 1111111
11111111 11011011 11111111 11111111 01111111 01111111 11111111 1011111
11011111 1
11111111 11011011 11111111 11111111 01111111 01111111 11111111 1011111
11011111 1
Validators:
15534
15153
15910
16858
14983
3966
20351
8880
8234
7074
23990
27222
23776
26395
21761
18538
10928
17252
11068
26934
29883
25482
25136
26746
2137
19757
3117
25109
13319
4610
10112
20138
28417
11604
4016
14041
26398
8308
9595
28717
7009
20705
27909
12812
16322
1249
18159
5927
6248
25927
16474
25842
10793
8684
27120
1426
13872
25441
13129
11515
3314
7968
28260
18188
3658
25230
10477
18180
9974
9533
9119
17942
22190
27705
25654
21991
1202
12145
23082
14202
22464
20910
18310
29073
4105
7602
9049
11742
1006
6457
27422
26586
17663
14491
10807
24023
4268
26665
19587
22545
25554
14680
25715
8284
2471
6541
27207
13109
3442
13275
8467
19672
6787
11866
20179
9108
13056
21162
11441
2684
2958
29248
15925
17131
13204
10559
5474
Beacon Block Root:
Signature:
0xb15a16928da85094f5a3ff7197d80f914188f7eb450796c08e08fda723662e44b0e4391e6e59ede08f64301a71e545b5114b800d45b4f1e3b3321c3829419c67e2919a513803de96a194e05069980be4706b0928a78aa3444802e0008fc76ecc
Attestation 6
Slot:
Committee Index:
2
Aggregation Bits:
01111111 11111111 11110101 11111111 11101111 11111111 11111111 1111111
11111111 11111111 11111111 11011111 11111111 11110111 01111001 1110111
11111111 1
11111111 11111111 11111111 11011111 11111111 11110111 01111001 1110111
11111111 1
Validators:
11099
14552
8599
6106
6208
30692
8606
15460
27664
22572
20947
26678
28129
12384
13209
2264
21146
21871
16951
11643
9470
2643
22001
7995
9103
29070
30358
17662
14470
10115
26133
11447
17317
14988
27544
16334
25551
27683
5738
4974
27114
17648
11241
1444
18564
28877
6504
1377
6797
25350
14567
25413
19766
10558
8198
17963
12320
21714
4328
23607
10297
25635
12988
20990
17436
1544
13029
11156
25430
22333
8014
19327
25953
7432
14575
17745
6014
29720
5050
11283
27381
10721
21857
20389
11931
22824
5906
22668
10336
11619
14964
6148
27910
15293
25524
29612
14922
20966
15873
23417
27745
22009
17909
27319
19154
29705
22375
3020
6256
10603
8874
29731
27904
5391
2477
8941
28542
17887
8833
27988
14511
10680
11941
27315
22738
5261
21678
Beacon Block Root:
Signature:
0xb8e61ba4f67d5abe15850035d4b04deb23bf2984122edf927cdd44e427b7a58dde3e5782ddf65e6e05104ac2bf8fa23d17f4eb121a4cbb092256601dc85f261514fe2b4d6c4e2d2afd92b8c8615c3891042cb766ba5f517657621bb9b02f47f5
Attestation 7
Slot:
Committee Index:
3
Aggregation Bits:
11111111 11111111 01111111 11011111 11111111 11111111 11111111 1111011
10111111 11101011 11111111 11011111 11011111 11111111 11101111 1011111
11111111 1
10111111 11101011 11111111 11011111 11011111 11111111 11101111 1011111
11111111 1
Validators:
6095
5397
21733
19900
20713
2664
17582
18272
11957
24009
11609
14856
11945
18681
19376
28171
4779
9459
19736
6058
4924
8965
29679
3803
24025
5851
25502
8094
3644
14102
10454
28309
6761
6392
23285
12421
1868
10213
30471
30557
9175
25701
30357
22494
26198
8026
4298
21643
4271
7026
17518
17948
1303
25923
30432
18537
17637
29474
1282
2897
21199
17224
21807
21660
17772
21750
25472
18070
15474
9486
9852
4135
7573
5190
26543
14267
23312
29600
4122
15201
22197
23029
23608
3028
18353
10749
29991
25806
11270
22827
8128
17742
4182
19028
17776
8535
23652
13807
11676
2867
15295
22543
3626
28482
8546
3396
1074
18553
22155
16943
4066
22034
4596
4286
16217
28753
30403
18902
12086
19399
28220
23302
25130
9134
25151
2594
3697
Beacon Block Root:
Signature:
0x95124f6afbce44ff1a7fbc6982aee927c49ebb28079e5aece0106a5a29ecda70c94b7fc1316dcc9bbfcc6ecef47ffe0e0cba4216374ad07c137f231ed200e1f6b09595a24ef0f0592de882572f2b0da6e4b3cc67bbc7ffe3c3823a7646455250
Attestation 8
Slot:
Committee Index:
6
Aggregation Bits:
11111110 11111111 11111111 11111111 00101111 11111111 11111111 1111111
11111110 11111111 11111111 11011011 11111111 10111111 11111111 1111111
11111100 1
11111110 11111111 11111111 11011011 11111111 10111111 11111111 1111111
11111100 1
Validators:
18227
27039
3141
26527
22690
25697
15058
14708
13843
8391
23203
6009
2478
1433
12948
4914
17456
1644
20264
9096
23582
28915
24028
25188
29994
14124
23527
27791
2284
15043
17464
20959
27202
6868
18452
17081
28675
22276
14004
17141
14598
5892
17237
3102
19793
17279
28009
18847
15896
2801
21052
12226
6205
15175
10311
23995
15550
22113
4906
6281
27257
19910
30162
2989
6786
1147
26576
29967
17540
20200
19893
13941
19057
3326
17906
8443
17595
7522
17099
29511
17616
3147
29931
13310
7448
3542
3161
15144
27863
9437
9501
22176
16831
2169
15457
25777
6643
15124
17321
27348
1761
19166
18816
7628
12154
4806
24059
25484
11767
13011
5908
20665
7338
3590
4186
4936
14187
23580
14329
10009
3959
3094
8037
15857
23619
8096
21936
Beacon Block Root:
Signature:
0xafef093dd9c4fc35390aec1f56024a17a7835875b11ee5652538628950830da7915b374ae6adf6e21ffb2a8df5c88a2418f7e642b7730231ae44dbec1d22a23dc5950086baf71750168b0678ad5810b907aae6d54874e4d5c86fe4c3bf50d2d7
Attestation 9
Slot:
Committee Index:
0
Aggregation Bits:
11111011 11111111 11111111 10101111 11111111 11111110 11111111 1111111
11111011 11111111 11111111 11011111 11111111 11111111 11011111 1111111
11011111 1
11111011 11111111 11111111 11011111 11111111 11111111 11011111 1111111
11011111 1
Validators:
9265
2131
3565
11546
17280
27744
6162
18370
20267
7316
19857
8102
7388
28425
6004
8209
4918
20769
20016
11399
6277
9436
18231
27715
29693
1297
13495
8743
22767
22923
1171
25596
9433
16706
20284
19969
20038
22480
8963
25284
18004
27179
29842
13862
11952
14422
6976
18422
28239
25752
15000
28253
10507
14137
17140
17391
12087
16953
17563
4891
1484
8744
8444
28642
6461
9884
18069
15394
3679
4978
2927
27748
18172
9325
12212
28659
20687
22385
18656
8975
4925
11850
6784
4624
19950
21083
26301
25856
9348
28503
3525
17692
4143
2330
10983
9763
22042
11684
18204
4382
23283
7114
4137
15139
29390
7120
11758
9899
5722
11958
4259
28773
19538
2100
21445
12335
13498
30109
27056
3600
25196
16203
6170
5440
13460
5671
16116
21136
15881
Beacon Block Root:
Signature:
0x9019f76c071d9753ffa4a4b85869fcb392a7b41ce201db45a0a10da7fc1ecc9012863605015b506a62cdf799f7b29beb08358a30b955dffafd4e06897eaeff9d3da45014d53d314cd55b561743e7899720e2ae1fae208e776c9f2b3f4cb48837
Attestation 10
Slot:
Committee Index:
1
Aggregation Bits:
11101111 01111111 10111111 11111111 11111101 11101111 10111101 111111
11101101 11111111 11101111 11111111 11111111 11111111 11111111 1111111
01111111 1
11101101 11111111 11101111 11111111 11111111 11111111 11111111 1111111
01111111 1
Validators:
16726
8889
27694
11660
12272
2007
16744
15700
14171
7801
28422
26950
5414
1490
30621
26060
12633
9977
23330
14987
9359
8814
27890
15804
16973
26024
7821
27450
2890
9028
10627
11744
16101
18616
26669
25351
29777
19479
8897
15441
18633
21721
21844
5039
17125
13696
21992
4029
18399
29222
11448
21194
3867
4318
13194
21861
22186
29831
26346
23853
18394
12470
7651
19081
27854
12789
29556
7953
27932
21354
15073
3601
10466
19802
30651
4619
17530
12944
22826
22007
4827
4523
8034
30110
14272
12482
27359
2032
26185
6319
4540
4439
15242
15682
13047
21292
28222
30284
6989
13804
17497
8468
7777
26948
13147
5272
14151
13235
14710
10860
19175
30182
6510
19707
5633
25794
5325
18544
9880
30454
13185
19593
14928
12012
8267
Beacon Block Root:
Signature:
0xb7252d37e6b1fbed82329680888f167677f56cadbc70e5ebd0860e83a75111bf3a36837fb35594aad95fc550a2f3bc710aaff772cc79debfa68f6c47594c48892d8251bbc3db70f836cfbb0460570a0e6e0fc1f96b97be9a4a477fa3cf7b878d
Attestation 11
Slot:
Committee Index:
4
Aggregation Bits:
11111111 11111111 11111111 11111111 11111011 11011111 11111111 1111111
11111111 11111111 11111111 11111101 11111111 11011111 11100101 1111111
11111111 1
11111111 11111111 11111111 11111101 11111111 11011111 11100101 1111111
11111111 1
Validators:
26078
28303
21333
27506
10462
3698
4371
5484
9767
6996
5158
19210
29557
13270
16297
10186
3937
5674
8454
19012
3520
1383
22207
3420
20501
18848
25624
21635
16134
6984
14739
11950
25970
19929
15417
1192
20101
30293
9174
11429
13347
21198
13981
3426
23937
4673
26483
28007
13983
8304
10335
14731
1023
14793
6368
10118
30238
5599
18572
22609
10553
21070
13449
22616
6546
4886
2259
18232
3301
5825
20163
10646
13453
14603
16984
2959
11089
13664
16995
10345
28663
8425
29365
20603
12408
11642
16561
13668
7722
17709
22885
17710
13432
25940
6493
11341
19213
15852
11632
27378
28478
8342
17008
14079
17594
21092
15167
1961
27412
30306
29108
22863
20598
11388
5918
23038
29059
5362
15813
15323
16807
23809
26243
1646
29302
28522
9882
8974
9257
25394
Beacon Block Root:
Signature:
0x818aaddd7ecc1447d5f149a768da80d4a003a52ba35acfab9dc28fc9943bb55565833bd354ab6f4df6bfc506f8d21039085608d6af1234a1787b46f2238ba070cca63546f41a9f78ebb4095d142b94130fb8aadedcac76257a9820f0f8e886d8
Attestation 12
Slot:
Committee Index:
6
Aggregation Bits:
11111011 11111110 11111111 11111111 11101111 11111111 10110111 1110111
11111111 11111111 11111111 11110111 11111111 11111110 11111111 1111111
01111110 1
11111111 11111111 11111111 11110111 11111111 11111110 11111111 1111111
01111110 1
Validators:
22185
27571
16006
12803
19270
18144
26877
22901
12832
1077
3997
14718
14357
3075
7464
12518
9548
21009
10456
12352
8361
5775
22257
2875
30508
15237
22286
13304
21547
12614
22447
6832
19913
26567
17789
29187
28012
13520
19646
9234
23852
25494
2526
19324
10752
18157
17589
23206
2678
12694
7423
7447
22973
23467
3947
3140
28609
1911
11345
25706
12337
2987
16637
26473
18905
8581
26963
25221
20204
1889
14291
10125
6476
6980
26002
1858
10629
23185
6177
4525
1066
13258
6262
2904
12291
8047
26228
8527
5024
1621
3229
13883
3589
4466
15074
5718
21923
15489
13466
20477
17636
7992
10038
12738
22172
11971
12322
27559
30318
27007
13353
14805
6547
5449
27712
13567
8628
1985
1211
8112
5255
21315
22719
8536
6057
2833
13927
Beacon Block Root:
Signature:
0xa87d5fbe8f2294ad45dad9f6629391fc621c02e536a1ac2aaaaf81ca3eefd8c92ec29e9dadb5e4a70fa580300e88532609916098c151ebffe3bbd0e8c9a0c3de607184a9a04f68d32c6d59c88a4054f80e2c217aae63b4622606d1d739c1b6b1