d5d1bc64a91be0e25b511e553ba0570a3e80a3e918e740d659bccb1aefd15fbe
Bitcoin Transaction
- Block No.
- 839,958
- Time
- 2024-04-19 17:54:12 UTC
- Status
- Confirmed
- Confirmations
- 3,782
- # Inputs
- 2
- # Outputs
- 201
- Value
- 1.70786230 BTC
- Value ($)
- 110,354.19 USD
- Total Fee
- 0.00415382 BTC
- Total Fee ($)
- 268.40 USD
- Size
- 6,859 B
- Virtual Size
- 6,697 B
- Fee per Byte
- 63 sats
- Space Saved
- 2.36%
Inputs
Outputs
Scripts
Input
0
3044022022d5b665d10bec40d25cdb4dc858e09a9a55b4c760823fb9e85c08107298f1150220664ed25637180c3831df2a1fed6f117d30aca22e1f2e437b4e0518ac4550c1bb01 03f71a0d655ed069532d1c5e925f0c221be777cec81e1f60486fe342c4b9bd98a8
Input
1
304402200a3b5e114669a1500a373dab5c2e97a7ee6ce2b761727cd65632fb719fd35948022022d31d7ff75855e8f559336d764c8a0a228681c75f4a31fc943641865d503a1f01 03c6ad3b62b0c580c65eb69ea3321a8876226d6fe57facdae93f93592befa22215
Output
0
0 51fa4aa73a2bc00446254d37821c9235ceadf1fc
Output
1
OP_DUP OP_HASH160 8d5d28aa3b2de0f495c40537172786b95de05d04 OP_EQUALVERIFY OP_CHECKSIG
Output
2
0 6f9094b87e6bf2b8f54489e95d57bf609086bca0
Output
3
OP_DUP OP_HASH160 5d7c68ce52839c4b5569e760f3b2764e6f158a5e OP_EQUALVERIFY OP_CHECKSIG
Output
4
0 c5b8f1a731b69d69e1e265368972c228e8a5c054
Output
5
OP_DUP OP_HASH160 a1685607b829b81d6760d230bac2e02053b36df8 OP_EQUALVERIFY OP_CHECKSIG
Output
6
0 e3e57c8bc2304194509b0b27aaf4dd074988b8af
Output
7
OP_DUP OP_HASH160 bda2750fe13bd1820ac285ef629298081c2776df OP_EQUALVERIFY OP_CHECKSIG
Output
8
OP_HASH160 3d6a7c5100cf76a2e09f901e6ee9d88270f23878 OP_EQUAL
Output
9
OP_HASH160 4e1f16caea75fec454d36b86d4f8da1400054f59 OP_EQUAL
Output
10
OP_DUP OP_HASH160 1970b160f9b798f18355a36430682777cd078e2f OP_EQUALVERIFY OP_CHECKSIG
Output
11
0 437a06a05654f45609bcbac75ca588474707c445
Output
12
OP_DUP OP_HASH160 30bc0f0f0440b82ce15765240fa63d2433b59a90 OP_EQUALVERIFY OP_CHECKSIG
Output
13
OP_DUP OP_HASH160 b1a2c437d874da3685380ef02961c4f242806001 OP_EQUALVERIFY OP_CHECKSIG
Output
14
OP_HASH160 057759487b08e8267d2c7a05b5c69fd9868b25d7 OP_EQUAL
Output
15
OP_HASH160 ad3358a474691f98b43daa7a42d49d053dfdc23e OP_EQUAL
Output
16
0 d11dfb1b42fb2728cce1c49f449aa06d1d3cb519
Output
17
OP_DUP OP_HASH160 dbcff0c9c1706d91c6cdb33486c3cb3cf4b31eb0 OP_EQUALVERIFY OP_CHECKSIG
Output
18
OP_HASH160 e077c9974fc2667f8d24076d53098b2e6e3f4e42 OP_EQUAL
Output
19
OP_HASH160 88720102d8007f87fedb82b3f384e609528a1993 OP_EQUAL
Output
20
0 90b04a3383b029d43a1a0e9eed615a251b3982e6
Output
21
OP_HASH160 0511a5047203d1a4ab7e57e7a53b42fd22fa1086 OP_EQUAL
Output
22
OP_DUP OP_HASH160 5752e5eb35a13442190a83b80531d855463abbaf OP_EQUALVERIFY OP_CHECKSIG
Output
23
OP_DUP OP_HASH160 996dea4485ad8dfa151a5246f0efb6106e30b687 OP_EQUALVERIFY OP_CHECKSIG
Output
24
OP_DUP OP_HASH160 15a0829c043058d8b83d79b45a70d30f6a2367cc OP_EQUALVERIFY OP_CHECKSIG
Output
25
OP_DUP OP_HASH160 c4610217238b6a175463696146cc5985809887f9 OP_EQUALVERIFY OP_CHECKSIG
Output
26
OP_DUP OP_HASH160 898f67fc9ecbcb1082da88877bc920444a3fd079 OP_EQUALVERIFY OP_CHECKSIG
Output
27
0 1e52f03c371e56c2c4bdb5cc63d16a9f90ae67ae
Output
28
OP_DUP OP_HASH160 ee34c2c73bb1b692984ea1832c2137c434771b0c OP_EQUALVERIFY OP_CHECKSIG
Output
29
OP_DUP OP_HASH160 0bd49b6bf3e8f664f45038605642caf986899a7b OP_EQUALVERIFY OP_CHECKSIG
Output
30
0 45c860f9af24b38a8c94150e1c747b6b1351ae9c
Output
31
0 4e31772f5c89b63796bd960436ef7762fcfdae1a
Output
32
0 6bef9d65467735dede22c5517a7cf90236c4810b
Output
33
0 4a66c2d92b9da3945cc919b2fbceeb0e31d61dd5
Output
34
0 4b17d9a20a6f733de27dbde87b7ae46723209e17
Output
35
OP_DUP OP_HASH160 2b9de8ad440f376afcf6c96349daddc61c5c5c81 OP_EQUALVERIFY OP_CHECKSIG
Output
36
0 6f9464090c68620ac587eca5394f3efccab8686d
Output
37
0 1c0ff370f5b64645aef9ee7afa9cf83f3d0dd251
Output
38
0 3b123da618dffc906ecdea8daa3ef509d66dad23
Output
39
OP_HASH160 e1163105191391fa7339832a7ae83bc3cc6b1ee6 OP_EQUAL
Output
40
0 4d2195485f1563d817628b23467ee3ff019a4859
Output
41
OP_HASH160 484b7a224afd10a9e0a24ac9ae30f34552598e96 OP_EQUAL
Output
42
OP_HASH160 34222ea66f9b8ac4a383f9f0ceb390c6a4c45a60 OP_EQUAL
Output
43
0 a1d84a62758bfae0da805797d7c2d5065afaa64b
Output
44
0 63d0b7313c1af5dcc8aa3522a330af7c88da7d97
Output
45
0 04c9df3cd16375904c635973b4d5457431a5d6a9
Output
46
0 79224ee219857c5bac49ef285846e2eb4634ed38
Output
47
OP_DUP OP_HASH160 595555b8844b09d805319c6afca6c364c0d651f9 OP_EQUALVERIFY OP_CHECKSIG
Output
48
0 814f9e26863401779559fd57a072a702d9b645fa
Output
49
OP_HASH160 d7e91f4eaa1cc6ae85edadba80f89dc0e08b47df OP_EQUAL
Output
50
OP_HASH160 95574be8d134c1f95e73abf0c33e13c7789e6f77 OP_EQUAL
Output
51
0 523eae6bdb1d38113d160b2d7b2fdbdbbfe6046ef4caa6f1bdefee7f858ef1a4
Output
52
0 946ecf8f4d71df7de36ca44ea9ea245d0520964a
Output
53
0 5d1d3ae35e5792b37ff4edf1549dbcd78f0cc9e8aa8a156270b4489a041e4669
Output
54
OP_DUP OP_HASH160 8737080e5cd42bdde843f9985197613488e31979 OP_EQUALVERIFY OP_CHECKSIG
Output
55
OP_DUP OP_HASH160 0f7792be73973695cb02b3f22d2513987776a494 OP_EQUALVERIFY OP_CHECKSIG
Output
56
OP_DUP OP_HASH160 3f46b2e0b8faf0622fc78dc94fdf24e49eb22968 OP_EQUALVERIFY OP_CHECKSIG
Output
57
OP_DUP OP_HASH160 8dd2646f4e1c1dcefaeede29a08418e4d32799a7 OP_EQUALVERIFY OP_CHECKSIG
Output
58
OP_DUP OP_HASH160 ab8dab0ac1293a8f02c90fe05292ecf263a54c48 OP_EQUALVERIFY OP_CHECKSIG
Output
59
0 8fc1e6689587d43809af317c14568a3aff813ab578e34234dd5ceced01869b70
Output
60
0 9618af03a993275fcf4dde5248912f6523f210fd
Output
61
0 59caacdaf92ea2ec5da3f7e89a670028e6a3d4ba
Output
62
0 5419cac31f6089b12c3c687d1aa6c6e20387ccd5
Output
63
OP_HASH160 e10066b474c992df9eebd71bafbc422dab7573fe OP_EQUAL
Output
64
OP_DUP OP_HASH160 e73e3893c758a2ad1300ef91186a10c8eef4ab4a OP_EQUALVERIFY OP_CHECKSIG
Output
65
OP_HASH160 b5c92cab5c09b186e594a37cc71e19de42b4ad2e OP_EQUAL
Output
66
0 e753be24d612d85c5f07ab331834d5c7d71e2788
Output
67
0 f9494c735ee9ddcc2b28be92ddfaf362ca0e3875
Output
68
0 8ad008b0c16d9484640b6f189c21bfd4bbfd071c
Output
69
OP_DUP OP_HASH160 2ccf00e6c29a1050b31fa3ef9742392620a7c05b OP_EQUALVERIFY OP_CHECKSIG
Output
70
0 5e22fd597655cd217cf7c4a0ce1ec8046e5de807
Output
71
OP_DUP OP_HASH160 b8884ac5a73a83b8b8e55fccbb25d89d0779554b OP_EQUALVERIFY OP_CHECKSIG
Output
72
OP_HASH160 b811b5d1d0323da343a4613fe15bd843522a7aac OP_EQUAL
Output
73
0 4d87b9e699017e85e975a227468347f59cb22911
Output
74
OP_HASH160 e786e95c1dc8d9249541aca090e6c732086ad03a OP_EQUAL
Output
75
OP_HASH160 1d1760c25f79d6b536693d8d716ea3e6eac45e8f OP_EQUAL
Output
76
0 ebe5926300dda3e12cd0e769903ad4a1920f88cb
Output
77
0 108ba3c7087b92963f58f75057827a784d7a561f
Output
78
OP_HASH160 a312f629810bcd7a26f4548f25a9d222547c932f OP_EQUAL
Output
79
OP_DUP OP_HASH160 997a7cb7da8218bfbad2da7e22ad53982b760d9b OP_EQUALVERIFY OP_CHECKSIG
Output
80
0 ae5e0a69fadaead8324af51b215238537948b4f3
Output
81
OP_HASH160 91e5e895ace4c957da4136c1b09c16f1b553be81 OP_EQUAL
Output
82
0 6754055c740107939007566409b3cae765096d12
Output
83
OP_HASH160 e959558612e800a6a51ade98ecc34a2c8b66d2c7 OP_EQUAL
Output
84
0 c4b0e40a07cafc4c028b51ed3f98dea983c2e770
Output
85
0 0c4adf85ca7092062181996b20baa24dbce20146
Output
86
OP_DUP OP_HASH160 61d809d17eb1c45a9ced36689db4936e84e4d3fc OP_EQUALVERIFY OP_CHECKSIG
Output
87
OP_HASH160 edacf6d361dd179ac5a8a9fb46626cb687404669 OP_EQUAL
Output
88
OP_DUP OP_HASH160 132eb7f9d890d441abc1bfa0e862c00693966ced OP_EQUALVERIFY OP_CHECKSIG
Output
89
OP_DUP OP_HASH160 06d3913ff39da733496165f491fee637768fb7c1 OP_EQUALVERIFY OP_CHECKSIG
Output
90
OP_DUP OP_HASH160 6f6265f099d41db036fe7a470b073edae0689aff OP_EQUALVERIFY OP_CHECKSIG
Output
91
0 d347a5ae3ac94c1b5b7b49b22dea7452dac0b92f
Output
92
0 f704e44a2935e6205d8e41ef7179ff4e5db0917d
Output
93
OP_DUP OP_HASH160 33a495b156d2f6145c1e4d84996f42bba90fe970 OP_EQUALVERIFY OP_CHECKSIG
Output
94
0 7d995eb99ab578636b3d97162187f34c137fabed
Output
95
OP_DUP OP_HASH160 13a1d06a11c6455971c2eccfb7b3999c2111ab15 OP_EQUALVERIFY OP_CHECKSIG
Output
96
0 71cd4bdecc6e044dbbcab2b46e4737505a1441b7
Output
97
0 05bdb01f4e13e5b6ecad9d8eac22b1b1e6f7cff5
Output
98
0 8a5a3ba9574640492a6b9ac4ad216ffefec6f787
Output
99
OP_HASH160 9bcbcc87876b4392efc75adf0efa9a89feccb09c OP_EQUAL
Output
100
0 cc8c666b5cf30dc63e88b708ae5c4a9356c736f4
Output
101
0 6f37ead275e2757d98ef56f856cff9c6ca4a6fc9
Output
102
OP_DUP OP_HASH160 84e2f6497c23cc9abece103eb959d6829f5e11e9 OP_EQUALVERIFY OP_CHECKSIG
Output
103
0 2ae72caabc7df24e4baf1b477e84e5c85cd26f9fd2151dfe6caea2f7aa630d62
Output
104
OP_HASH160 9bf4f4480cdf81cba5f115ff0fe42036665ab71d OP_EQUAL
Output
105
0 c52e62ea3884bb0067d6790439d2c94004ab9256
Output
106
OP_HASH160 9f367e90c897f0d6914cf7d5920232d2f49d2ef8 OP_EQUAL
Output
107
OP_HASH160 45feff4113a3ed84d1064bf9fdad067cae8a9999 OP_EQUAL
Output
108
OP_DUP OP_HASH160 60af641e28c391305261715b5b2eff74c3c2ba26 OP_EQUALVERIFY OP_CHECKSIG
Output
109
0 a969466cb4c16a91080e21edc90fe9b523886f89
Output
110
0 683fad43b491988569cf757699693eb02f6514fc
Output
111
OP_HASH160 6b868a7e8aa5b53e81f34e1d8e4af699d1978bb6 OP_EQUAL
Output
112
0 704ef990e6bdcf1d33d3ac8e17d56db548cbe267
Output
113
OP_DUP OP_HASH160 a5fcc67b524bffd769e1bb7f48319bd47b6f015e OP_EQUALVERIFY OP_CHECKSIG
Output
114
OP_DUP OP_HASH160 75b0b1ee1149b24c14031b23e6e82b09329401bb OP_EQUALVERIFY OP_CHECKSIG
Output
115
OP_DUP OP_HASH160 61bd25192ac62a6da82a55875286ec440e88b5d4 OP_EQUALVERIFY OP_CHECKSIG
Output
116
OP_DUP OP_HASH160 fb16172f866ccb2f822f05dadc3de7c4d94edf91 OP_EQUALVERIFY OP_CHECKSIG
Output
117
0 20f1c8660c7a9da2f24d67b6e022ff59f9add32c
Output
118
OP_DUP OP_HASH160 096fd387d6381e4daac441a04a6c82c0381e22c7 OP_EQUALVERIFY OP_CHECKSIG
Output
119
0 7851ee8b16ee2cccc102479a50e39385132ba10f
Output
120
0 f3b0edf861430e76a86233cc45fb48da68a74c92
Output
121
OP_DUP OP_HASH160 d35f311798eaa0f6c9916675bd46d36ace5df59b OP_EQUALVERIFY OP_CHECKSIG
Output
122
OP_DUP OP_HASH160 8c8cc3ed3353211fbdf85b413190e54737d70058 OP_EQUALVERIFY OP_CHECKSIG
Output
123
OP_DUP OP_HASH160 34f2ff77decd4994e52629c3f6be6c38a43c625b OP_EQUALVERIFY OP_CHECKSIG
Output
124
OP_HASH160 81d258a79f1da15de629ac4eadcd7624455982d0 OP_EQUAL
Output
125
0 4216a4f36068ea88bef5a34116b07763061a23c9
Output
126
OP_HASH160 6fad3c2dec3ddf8fa4d5b785fc64ce501f52ae92 OP_EQUAL
Output
127
1 a53bb84e8e9fb3cafee3f8ac976e91e5d4e1c496765c180b9bb6207351b35b98
Output
128
0 2a46b91848de9f3f3aff3014b176b5fa1a86d050
Output
129
OP_HASH160 a47e6f98fe2b03668ec5b724f81baece185054ae OP_EQUAL
Output
130
OP_DUP OP_HASH160 35dde433a7bd643d2bda37d28d8f61927f1c6107 OP_EQUALVERIFY OP_CHECKSIG
Output
131
0 09ece8800d79fa9c56c671090fa9be3644d1fda2
Output
132
OP_DUP OP_HASH160 123071e43a79ea133773da091a167fb26b74f47d OP_EQUALVERIFY OP_CHECKSIG
Output
133
0 c1377bdb83cdc4f41d48705068229e14a1f0f8cc
Output
134
OP_HASH160 e8f1237d36cf9a8d36fafbced506863b9f29838e OP_EQUAL
Output
135
0 980823f3997aed02aa3709903bb28448f0b021ed
Output
136
0 ed3ba323caa7416295a89c060335a481993864b6
Output
137
OP_HASH160 7945fbb5c82dbfbb2b4bd63eff89e7eebccb66f6 OP_EQUAL
Output
138
0 26bef83ae89726a92e2c621b4a899a36b9fe1146
Output
139
0 43d697c5d6860e5d0188c97668ec42841a132ee4
Output
140
OP_HASH160 55282ac000db7fe4922c40ef8989be7d5354e773 OP_EQUAL
Output
141
0 0989e15266ba31ff81d2b969e05c0cc4b6b43435
Output
142
OP_DUP OP_HASH160 458a95819f4347b63f01c1093026966218447ad2 OP_EQUALVERIFY OP_CHECKSIG
Output
143
0 badd1d4b0dd6695f34a6d1d04a76e91c770f2342
Output
144
OP_HASH160 2b2b87d6b8b25a545e48b6d4685e049292a98656 OP_EQUAL
Output
145
OP_HASH160 0e6a6789494fa37f5a7f188171f42600d7ff7983 OP_EQUAL
Output
146
OP_HASH160 e60eba06ed961af5be0d6234c1fa5aa535d8032d OP_EQUAL
Output
147
0 b0ed7181d21cf5b77702e00e5f2d28a92b405589
Output
148
0 86293ae852b8df3e70a1cb795f1df35cae319151
Output
149
0 2e47ac4e93f6f872c0fd25c80c884878de78c577
Output
150
0 b507fbfece2733bf0d99dfddae0e38b925ac352a
Output
151
OP_DUP OP_HASH160 e2b6f41e561708166b2064a4dce479f8af74f76b OP_EQUALVERIFY OP_CHECKSIG
Output
152
OP_HASH160 9d27df26db160d935e87fa67d84d607d32339d37 OP_EQUAL
Output
153
OP_HASH160 b202190fc7cea836999b0cefd5c1f933ec86aa9c OP_EQUAL
Output
154
OP_DUP OP_HASH160 4e7428da72d087565f26fc15b075d4cbbe6eb150 OP_EQUALVERIFY OP_CHECKSIG
Output
155
0 bd8e8865fd2d2066e3728b5f8849f4e2cc59e0cf
Output
156
0 852271e4abac8019dc148013c70099ab09b66e50
Output
157
OP_DUP OP_HASH160 9291c064b92ac0cb27502a17954a7a87cc597736 OP_EQUALVERIFY OP_CHECKSIG
Output
158
0 acb223936733ea0334f3cfd4c8943d23222c71e5
Output
159
1 7ae25a4c74b9a15329ac23e0c24f6ffa7fc9e7e4933d681da6b06172d035f97e
Output
160
OP_DUP OP_HASH160 7ea729966e976666fd09c48200b7714cbb3c4bd0 OP_EQUALVERIFY OP_CHECKSIG
Output
161
0 a4e1cf384df5c10e881cd1b6556a5a16d2272969
Output
162
0 52446eb47d5743c822421c4d716bfa285c272289
Output
163
0 3ade8774a3170968123cd11e57d5f7b373c6b97e
Output
164
OP_HASH160 06bb6db81acfe635d68ec0258a587d448dbba192 OP_EQUAL
Output
165
OP_DUP OP_HASH160 3dbfbeab5b69d2f500f61cc581e125459f5a34a7 OP_EQUALVERIFY OP_CHECKSIG
Output
166
0 3656b33d3d310e2ba4785666156136140cea5f88
Output
167
OP_DUP OP_HASH160 30a372c3ce3bf305b8e1c71707fa68c2c69b6fb9 OP_EQUALVERIFY OP_CHECKSIG
Output
168
OP_HASH160 8aef56b0291436d11afa9cca4fc7cf27bbf67975 OP_EQUAL
Output
169
0 1608d5b8dd55d59957c7bc03d834c24753e69cc6
Output
170
1 818aaad1149bda23ebd2e978178473edaf2d792c1b7fbe700d83ff3a7d815cb9
Output
171
OP_DUP OP_HASH160 a89861ac5c4138ef234466ef7cadbf232b23c6d1 OP_EQUALVERIFY OP_CHECKSIG
Output
172
0 a54e29bda968f3e6cdc0357b01774234e5cb68b4
Output
173
0 293f9b186538cf4bde4c78d9ad35cea63e10c907
Output
174
OP_DUP OP_HASH160 e42e7df3171351557dfca1351098e0c4345fa5ec OP_EQUALVERIFY OP_CHECKSIG
Output
175
0 de1b1ea9b4a1234d37e357d0f25916ffd3092b82
Output
176
0 a8c1d318ef43fbca83f331173702c6228d0dbf43
Output
177
0 fba7170209fb4222b6a93b97615557632fed38e5
Output
178
0 58e84fdb31da1d6b86068b8602bd23ced75cd47e
Output
179
OP_DUP OP_HASH160 489d46f52a917e01c6bc074d6004cd717d4738a4 OP_EQUALVERIFY OP_CHECKSIG
Output
180
OP_DUP OP_HASH160 1f4ef8ead22d72c564683fe821968bddeb979b6d OP_EQUALVERIFY OP_CHECKSIG
Output
181
OP_HASH160 ae835262de542ac91daec03245cdb22d4e3d33df OP_EQUAL
Output
182
OP_DUP OP_HASH160 2be5e8efe18915f46a109425b2517b5cde8d68eb OP_EQUALVERIFY OP_CHECKSIG
Output
183
0 5defc7792834b448a1295aadc7e9369fe3a3c9f4
Output
184
0 852d2db79d24bb0420ff800d775e10492f91025f
Output
185
0 6e521d73f083aa9e3f6425fb5dd1f5f3e9944f9e
Output
186
OP_DUP OP_HASH160 580b1ff8a0a4d0ad7dbc0ec27270ee4f7b9bc355 OP_EQUALVERIFY OP_CHECKSIG
Output
187
OP_DUP OP_HASH160 a33896e4cceb2fa3d3a190bf13ccde99b53f9823 OP_EQUALVERIFY OP_CHECKSIG
Output
188
0 1e3a80119ce0d52ca3116d28269321ec5cf358de
Output
189
0 9fc128fe934e549061e00b20b8433a3b91b890f8
Output
190
0 60ce1cc521d4075be74a7c14fc1ee656c83ceb85
Output
191
0 625c1b1a684d3da34514feeb43d53b47c62f9557
Output
192
OP_HASH160 dd2c8a24735b2f250f8f63276b1b65236e6a7792 OP_EQUAL
Output
193
OP_DUP OP_HASH160 36083525f61753c34971fb8926f0044204765b86 OP_EQUALVERIFY OP_CHECKSIG
Output
194
OP_DUP OP_HASH160 c47152fc01d7b0ce586bcc45918bb9dd6ee1b245 OP_EQUALVERIFY OP_CHECKSIG
Output
195
0 82c091483e00f744821a27491112a5d7dc4986f6
Output
196
0 a2b9df4f3a33f69cfa6f3ddddc64b1ef03e48f4b
Output
197
0 0dcd4d34810ce18c73dbf2c61c9cf71167816292
Output
198
0 926e114df46c8ba9023fbb4db5d1d1a4803c28cb
Output
199
OP_DUP OP_HASH160 49995dfe82257042aab76b6f117322d777d1ca09 OP_EQUALVERIFY OP_CHECKSIG
Output
200
0 dc607e0cfac37026830f1e76d807fa40ee9875aaba393eaeb3cd0674e24b69f1