9c19e08b510e2803ca93a9d736deaab1c44ac039e37c33530d902cbf9ebb93aa
Bitcoin Transaction
- Block No.
- 770,227
- Time
- 2023-01-03 20:42:54 UTC
- Status
- Confirmed
- Confirmations
- 71,268
- # Inputs
- 2
- # Outputs
- 191
- Value
- 4.99753209 BTC
- Value ($)
- 83,252.64 USD
- Total Fee
- 0.00101579 BTC
- Total Fee ($)
- 16.92 USD
- Size
- 6,513 B
- Virtual Size
- 6,351 B
- Fee per Byte
- 16 sats
- Space Saved
- 2.49%
Inputs
Outputs
Scripts
Input
0
3044022003f1c893abdb36190b8f748f3ca7c587b415145f2603fedc6a16834e80f22ad10220764f9fc8d048381218f331cab0798ae702384e7fcd38a0e6e87c2dd9f7d7def801 02a7675ee757b364f40020c3b4a34f4dac97f592a90f822c13ce491728bdcc3074
Input
1
3044022074092bb7d1a99a7683143b736bbe8147a1c2986a9486657669e16bce0322eab502205fbf060780ad7d4117e92de9ff147dc2f52c0eb8dc264589fb7238262982cd6a01 033156561489227e3beccbde1c3ccad932e1700ece5d9d5facf00302569ca4487b
Output
0
0 1e5d7706ad9bd3b7fa0ec947a4c5404094156d57
Output
1
OP_DUP OP_HASH160 2562f928d731e95e293cac82c3d1713e18472e00 OP_EQUALVERIFY OP_CHECKSIG
Output
2
OP_HASH160 ecf17d4a864f25e2fd8a2a8cd2ee5f4c591ddda0 OP_EQUAL
Output
3
OP_HASH160 df58d807eaa423cdbd199676bf53f0029b92020e OP_EQUAL
Output
4
OP_HASH160 e20e7f04991cbba05bd8ce0fb01f72586e7c33e0 OP_EQUAL
Output
5
0 70814defd473a58a16ec143bd36e8a8d9cb6c540
Output
6
OP_HASH160 3390477fcfe5c815b28e94b7ca98111a99ff7e7b OP_EQUAL
Output
7
OP_HASH160 40da1dbe1905819053c03aaebbd0c4bfd5a015a6 OP_EQUAL
Output
8
OP_DUP OP_HASH160 b54c92c0fe19314d346b7623b63125c8274211af OP_EQUALVERIFY OP_CHECKSIG
Output
9
0 4ca5cc163caa9200efdce9d07c60e2501eb74713
Output
10
OP_DUP OP_HASH160 24171ed157301b2dc22fc1fbbf4c67f72d8a30da OP_EQUALVERIFY OP_CHECKSIG
Output
11
OP_HASH160 df63ec55ee8461e2fc1e73850ea9c0a099392c01 OP_EQUAL
Output
12
OP_HASH160 7f0ade629c4c0e3002adb7961d91f854fd942339 OP_EQUAL
Output
13
0 f86f637694c5b7c8d9ae92cdb9637747c1d4d637
Output
14
0 bf4d187d56fbcd7337a72b0e5c2704cf946e39c2
Output
15
0 02f1409fe56ea742f68938a28e450c6dd8825fe2
Output
16
0 0a5532782ffead063b5dfe1d2fcdce79eedca63c
Output
17
0 8e4d27e697d8fd9234b3ac91e01d472c91c0a830
Output
18
OP_DUP OP_HASH160 4a83ef093b517002dcebbfd6295d53317a1a52c0 OP_EQUALVERIFY OP_CHECKSIG
Output
19
0 954b2d18131c4292d773ce6354916c8821207b5b
Output
20
OP_DUP OP_HASH160 0bb56a28bcc47d32bd00175905f86fcbb8df3fb4 OP_EQUALVERIFY OP_CHECKSIG
Output
21
0 16934ca0fa9a73a6df3189845e234eb49e8fd0ea
Output
22
0 ee869fbdbb6e87bce92154464600dfe85974ff32
Output
23
OP_HASH160 8867868bbffbbc5a15d4afd49b6fad35a6536bf6 OP_EQUAL
Output
24
OP_HASH160 5b6e226bef38c85c4110bdee6504b53d9d2b8a55 OP_EQUAL
Output
25
OP_DUP OP_HASH160 5911166b6d97749fd044287580d21e7f763e6378 OP_EQUALVERIFY OP_CHECKSIG
Output
26
OP_HASH160 ee4ea0c6c2e3f87ea46ef9c14a28596cacb1eebe OP_EQUAL
Output
27
OP_DUP OP_HASH160 92be9906247cc81731bb3979755e9f6d6d5c88f6 OP_EQUALVERIFY OP_CHECKSIG
Output
28
OP_HASH160 778eb09009231975321dc6e09ebb36cd1979ab09 OP_EQUAL
Output
29
OP_HASH160 b98c5198866fa361cd33c108f1aea5deb1cfabbf OP_EQUAL
Output
30
OP_DUP OP_HASH160 a982c3396515610186d059ab3a7cc55dadf652e4 OP_EQUALVERIFY OP_CHECKSIG
Output
31
OP_DUP OP_HASH160 1269db69a737b076a73c5df08a9a935721d04050 OP_EQUALVERIFY OP_CHECKSIG
Output
32
0 b75ffebf2b6802669d5872cd63d90716445e6fb0
Output
33
OP_DUP OP_HASH160 dffb9557fa5301ba22d0bebd81c50af92814761a OP_EQUALVERIFY OP_CHECKSIG
Output
34
OP_HASH160 b9d18316e2d3d43667635744307f59002c56d7cc OP_EQUAL
Output
35
OP_HASH160 523ba5b15e724aa09e451a2ff3300be16926f8e5 OP_EQUAL
Output
36
OP_HASH160 acea56fc4bbea0bd3906dbfa13cb784abdbd1c3b OP_EQUAL
Output
37
OP_DUP OP_HASH160 f097e5e2a4d20e7dac7f6175cd0a6f0d7c1fc188 OP_EQUALVERIFY OP_CHECKSIG
Output
38
0 7ffe6ca8d0f266559fb1aed557d0b737affd6bad
Output
39
OP_HASH160 613544728bab9c9f1baf06b553c1a11217a1d8d9 OP_EQUAL
Output
40
OP_HASH160 1eef653ea115e971aa70ed9f36c0cc06fa52a124 OP_EQUAL
Output
41
OP_HASH160 9708f6473911ec91a3a1245483e15680ceedaafb OP_EQUAL
Output
42
0 2f9204a57e853a0306029ea3949b669c0d3332a8
Output
43
OP_DUP OP_HASH160 c2c770bf6d317b788cafdc01fda64ed2ca133be8 OP_EQUALVERIFY OP_CHECKSIG
Output
44
OP_HASH160 b28fb23de337366f610092cba76fcf0524df8ac8 OP_EQUAL
Output
45
OP_DUP OP_HASH160 ed651868ffaa5a876c98f5512192232248d5c31a OP_EQUALVERIFY OP_CHECKSIG
Output
46
OP_HASH160 c6c26b1f18de0e92c54b5408980a39cb6beb9add OP_EQUAL
Output
47
0 1e4c039edad1e90aa7a3bf76cb1b04d4efce1a64
Output
48
OP_HASH160 ace5a8ba852bce11253f0d84bc1320c64b6700b4 OP_EQUAL
Output
49
OP_DUP OP_HASH160 5389a09c4bd254755ba64338df37bf5f72c92a89 OP_EQUALVERIFY OP_CHECKSIG
Output
50
0 94c24878f31a181191f311d3f9d02467f389f11f
Output
51
OP_DUP OP_HASH160 6f7a3ada89c6d0ead7198f8ccf438e741c71a60e OP_EQUALVERIFY OP_CHECKSIG
Output
52
OP_HASH160 cc931e6bbf91227bb358ebaf408c49763b6e1bc6 OP_EQUAL
Output
53
OP_DUP OP_HASH160 a9624d8530e831df21dd78c46a86daf0b46a3ec1 OP_EQUALVERIFY OP_CHECKSIG
Output
54
OP_HASH160 53dadffdbefffc92fcee4a319efbefa5a7324b73 OP_EQUAL
Output
55
0 a457de636d265324b6563839d1eb4c2957335ce6
Output
56
OP_HASH160 9bab565e292afbe262692e17b4730dc1ccb97982 OP_EQUAL
Output
57
OP_HASH160 9690684306c7e35750bcfb810fe88976d8750c19 OP_EQUAL
Output
58
OP_HASH160 de2a15356e2f6b69b9114e1071f9d945654913b2 OP_EQUAL
Output
59
OP_DUP OP_HASH160 c97dfd1fc1f78747586abec0ec09f5ecc0104ca9 OP_EQUALVERIFY OP_CHECKSIG
Output
60
OP_DUP OP_HASH160 4b47a41dcbb53d47c76e06da4c959a0b38d46bf5 OP_EQUALVERIFY OP_CHECKSIG
Output
61
OP_DUP OP_HASH160 328bd518dc6c8f061fdc42322e973467dc80e2eb OP_EQUALVERIFY OP_CHECKSIG
Output
62
OP_HASH160 c06174d27cac03120979ada3cf3db18900aca9dd OP_EQUAL
Output
63
OP_HASH160 dc49e65f8f6295fc6d7059d9975b4cbb05caba5a OP_EQUAL
Output
64
OP_HASH160 751bea5930ec191688fc52807b09692668c01cd4 OP_EQUAL
Output
65
OP_DUP OP_HASH160 1ed46780fe5258881cc03fd11bca9a4c66933b43 OP_EQUALVERIFY OP_CHECKSIG
Output
66
OP_DUP OP_HASH160 e6ba63da5eb9a2cf9867320d6a9a87353fe65996 OP_EQUALVERIFY OP_CHECKSIG
Output
67
0 c15c5baedb30e55f6316446c5188776e88839f06
Output
68
OP_DUP OP_HASH160 4712847d7201189f040357bca2ad9ec202ccaecc OP_EQUALVERIFY OP_CHECKSIG
Output
69
OP_DUP OP_HASH160 e5bbd4db19a2df37bd8f8eb53033b45d75f48db9 OP_EQUALVERIFY OP_CHECKSIG
Output
70
OP_HASH160 82e3409a67eba39ae96e9a93879f3c921fc4fa9d OP_EQUAL
Output
71
OP_HASH160 7ab2ecf4ae593b3fa5e387c5fb6c46f5b4235cec OP_EQUAL
Output
72
0 44c50e7fcf9b86ab75fa21c961051b864b88d227
Output
73
0 89ebd98686124bce9aeae6531c87ebaa414dc691
Output
74
OP_DUP OP_HASH160 9dff03a9e6938486c39f5c3dc3c252c2a812cbc0 OP_EQUALVERIFY OP_CHECKSIG
Output
75
0 827473a69c011bfb1465ea77a18d88b2e4140c50
Output
76
0 1e66a6de1143b5513d23500c106e7e75fea4353a
Output
77
OP_DUP OP_HASH160 ae21ae0ec26dd8cd6e76c6871e4380bcaaca22ed OP_EQUALVERIFY OP_CHECKSIG
Output
78
OP_HASH160 d2e07b8cd73733fb72cd3bde590ec869b419991b OP_EQUAL
Output
79
OP_HASH160 55222c34139027d1446ee4446db84dab74a412c1 OP_EQUAL
Output
80
0 fc8bc0d496beea2f4d76aa49fe4bff139a594f0e
Output
81
0 e48638f2a61ade669c3da46b4f95f7630acae9d0213e7be33994badd2515de66
Output
82
0 af1dd15ac5db9a70d317164de667a5dc2ecaf2f6
Output
83
OP_HASH160 2b5e67ba1d8d45c325531d191eb911e3ed979d58 OP_EQUAL
Output
84
0 3b71d85bad1ffaf1f451f97d7ae843370883284c
Output
85
OP_DUP OP_HASH160 cabb80b065998fd9280410650520ffd00cf5f7ff OP_EQUALVERIFY OP_CHECKSIG
Output
86
OP_DUP OP_HASH160 7d0e19a8843cde1f28117fc86f979f740e806098 OP_EQUALVERIFY OP_CHECKSIG
Output
87
OP_HASH160 5b70d044bb6e13ded17c6ab75e71fdb88821b5b8 OP_EQUAL
Output
88
OP_DUP OP_HASH160 ef0359e8b55f12f1939168fe59c8fd07ec1744f2 OP_EQUALVERIFY OP_CHECKSIG
Output
89
OP_DUP OP_HASH160 2299737fb88e5ed43d83ab9b338402bfa651415e OP_EQUALVERIFY OP_CHECKSIG
Output
90
OP_HASH160 b07fe29680baed67eadf9658457c6755f2d26403 OP_EQUAL
Output
91
OP_HASH160 1cc7ca615bd88a7ec65f7f27d141fcb9cf747b01 OP_EQUAL
Output
92
0 823c27d6668ed96bb71e0c0d859ab6855fd99363
Output
93
OP_HASH160 3c8f91430cbc34934d2d41409913776c45fea587 OP_EQUAL
Output
94
OP_HASH160 e028e272e4c17619eba88b1739a5eb772bc46b4a OP_EQUAL
Output
95
OP_DUP OP_HASH160 538268bf6cb1df6495c56aadee225bafdb550ef4 OP_EQUALVERIFY OP_CHECKSIG
Output
96
OP_HASH160 dc690f1c43b1544bfb7d1cafdc9084afd823c19b OP_EQUAL
Output
97
0 371432367e681b6ef8abc522d50623a7c32cde70
Output
98
OP_HASH160 fcbd45e7864b7c7003b0de4eac521418d971bbe9 OP_EQUAL
Output
99
0 46ebf438f401e746a1b5468b011f17192025db9874ac74f2097bc6a72c3b81d8
Output
100
0 cbf112b43f5536bd48ce1c28b63eb3ab2df7b3cc
Output
101
OP_DUP OP_HASH160 4aedd688c8145bdc6ffb4fca2a2a0011129cc43b OP_EQUALVERIFY OP_CHECKSIG
Output
102
0 71b44d19bc4867fc841547d2703dddb3d07d312c
Output
103
0 9d94c4c2b0e68158eec9ee31eec33dcfaa0c41f0
Output
104
0 c2f1e1c259f37a8244ad8a3624302d9e62226beb
Output
105
OP_HASH160 2634ba541bf5db93fb4fc006a849dc51f7b766d1 OP_EQUAL
Output
106
OP_DUP OP_HASH160 d2d740826fea5540077cd086def3feb55f6a202c OP_EQUALVERIFY OP_CHECKSIG
Output
107
OP_DUP OP_HASH160 2da5fb751406cbe7f84c5d050644b1c8490fd01f OP_EQUALVERIFY OP_CHECKSIG
Output
108
0 fc9d1bd38b89375de9933a80ce7cd770e17bbff5
Output
109
OP_HASH160 7a2dd76d159a02df3ff4b18b2c4ee6b13db5c7f6 OP_EQUAL
Output
110
OP_DUP OP_HASH160 d3947de2a72fe34b0a02e6b3e39e390477b11a37 OP_EQUALVERIFY OP_CHECKSIG
Output
111
OP_HASH160 a039a54ef8efe451375db2da5e0e94843392b462 OP_EQUAL
Output
112
OP_HASH160 d2750c66741b698fb53bfff13c3bef1f7f84b5a4 OP_EQUAL
Output
113
OP_HASH160 491f2d85787ef5870edd3445fa8fbe9600b4b2eb OP_EQUAL
Output
114
OP_HASH160 cfe51f47995112ecaf3ccfa0b936c9bd8bbd50f8 OP_EQUAL
Output
115
OP_HASH160 89e1d3ee7ff89ab54d0ba7278b073cd665a4351a OP_EQUAL
Output
116
OP_HASH160 74758361d71f43422101fdc9a10b9c3e90ba012b OP_EQUAL
Output
117
OP_HASH160 f1381e38680e74f15089ec14b11770cf5dfdc137 OP_EQUAL
Output
118
OP_HASH160 2ec2e15050b21cc3c6880b30237f4c6306712359 OP_EQUAL
Output
119
OP_HASH160 c0807c70b519f11578296d3897450c043bebd2ac OP_EQUAL
Output
120
OP_HASH160 9634b53222bb57b0c3331c767ae6320075666c4c OP_EQUAL
Output
121
OP_HASH160 f8b683f17802e7dd336d4cac0f5e8c92c7353ab9 OP_EQUAL
Output
122
OP_HASH160 a1a11772f2dfc6f76fb7660fcf3c0769929cb2e9 OP_EQUAL
Output
123
OP_DUP OP_HASH160 57964144eaa93c078662b14442e0a5676a79086e OP_EQUALVERIFY OP_CHECKSIG
Output
124
OP_HASH160 e006c7d844ac56f6134cc4b69b36d76f73ce791b OP_EQUAL
Output
125
0 bbbbee855b44eaf933a6620fc2f09c6e53367458
Output
126
0 f5dfb38d57eb84990c3b626c6f7a70cb76062760
Output
127
OP_DUP OP_HASH160 4acca12960a7f8ca64179dadc9dc520d3ad0c561 OP_EQUALVERIFY OP_CHECKSIG
Output
128
OP_HASH160 e6786e1d0033c1c33d5b14caa01ee2031c5a949f OP_EQUAL
Output
129
0 8b77181b9767475299255302fd6307e82685ba0f
Output
130
0 81a505b376db3c58a98e2e4755823791cfc82d2f
Output
131
0 045dd0df0c67ac7179321b0806831a97bbd5cd82
Output
132
OP_HASH160 d34f76515e578565771b56d287e101e904f2270d OP_EQUAL
Output
133
OP_HASH160 c0b28c860e5f04c9fa654dffa7eeb0ec68a9431c OP_EQUAL
Output
134
OP_HASH160 e5619cbd62d5cb737cad95205ea93a5f7d8d6bdc OP_EQUAL
Output
135
OP_HASH160 c8395d221dc9160c57f8747324db40ef316c47e4 OP_EQUAL
Output
136
OP_HASH160 95ca10ecea8f6a9c4c3a9d016be814d24ef2504b OP_EQUAL
Output
137
OP_HASH160 d87474655f63f3eba4dd288a9f094de0194b783a OP_EQUAL
Output
138
OP_HASH160 2f8dce4ce33ab856ddb932b028bec92ae4657958 OP_EQUAL
Output
139
0 1d17e1eaee6ea9cf8a213c5768177379b8fadcd3
Output
140
OP_HASH160 50f9dfd1eef5972441abe2f92e213cc35d362798 OP_EQUAL
Output
141
0 b40d04a6553a872d0f276332840be16d8cfb1b11
Output
142
OP_DUP OP_HASH160 98b1bf9b56dc6e826e10d6742b264b4cc7ac2764 OP_EQUALVERIFY OP_CHECKSIG
Output
143
0 f082addad2a59c28bf00c7c6982214f7e0e1f81ce0a106f27d12b87430ea0ae4
Output
144
OP_DUP OP_HASH160 61106c3783eeec059ffc259f617ab8a221b74853 OP_EQUALVERIFY OP_CHECKSIG
Output
145
OP_HASH160 b9f466fc2b9867c2b11d56c344f82b70d75cb4e5 OP_EQUAL
Output
146
OP_DUP OP_HASH160 a2dd8ef8a01d4ff59553a8f0e9162f1992ca7d4c OP_EQUALVERIFY OP_CHECKSIG
Output
147
OP_HASH160 6ce8cd5bd972a3de7a19c03a1c85cf8d6e05b272 OP_EQUAL
Output
148
OP_HASH160 b74c23892f300929bbec4f8ac6da11155e6574a8 OP_EQUAL
Output
149
OP_DUP OP_HASH160 f09d67f7efb450672792bac13493ba751e6aa534 OP_EQUALVERIFY OP_CHECKSIG
Output
150
OP_DUP OP_HASH160 c7b2a676369ec11189ebe29416d435a9221c3981 OP_EQUALVERIFY OP_CHECKSIG
Output
151
0 677753a8961d181e739ba7dd3a1ba1e78836589a
Output
152
OP_DUP OP_HASH160 444578f0c3369f15471b315e65c3ea59ebd2209f OP_EQUALVERIFY OP_CHECKSIG
Output
153
OP_HASH160 4497525f091dbd1f3be2c54a8433ed61149ce441 OP_EQUAL
Output
154
OP_DUP OP_HASH160 b1afb059946d21c7cdd6927428f87f3078aa6de5 OP_EQUALVERIFY OP_CHECKSIG
Output
155
0 79e01fee419739a9f14b5b1b41dca74b5b5d54c6
Output
156
OP_HASH160 8097a53c2eff2bd65b67c0a598bf8e742ae42333 OP_EQUAL
Output
157
OP_DUP OP_HASH160 10c253729e56a8fe431c56dc73d651ab3d44d426 OP_EQUALVERIFY OP_CHECKSIG
Output
158
OP_DUP OP_HASH160 2691d750ae2a18688188e3c12151205b04a0dde2 OP_EQUALVERIFY OP_CHECKSIG
Output
159
0 2bf1f841fa5699f6b9eef8bd4cda511529b97673
Output
160
OP_HASH160 afe01552cc76169f744851b94aeeb794a23e8362 OP_EQUAL
Output
161
OP_DUP OP_HASH160 d6ad6775c2ff003eebc479e0862a7d4dbd5c85e1 OP_EQUALVERIFY OP_CHECKSIG
Output
162
0 b11833936699e6cc9ec965fba4793eb4fe256e79
Output
163
OP_HASH160 8e3b1b2184f3fd86e03c827de94e84785fec9ceb OP_EQUAL
Output
164
0 eb448812fd29235634178ce626a45e58690727a5
Output
165
0 eae3b3286943ad793a706c699ce01e6b745477fa
Output
166
0 cffabe606971d8adb7431cc64cc6f71e16fbf7aa
Output
167
0 1855c918c4a06bcc7dc3f0daa42b97a0e99d6fb6
Output
168
OP_HASH160 eb73139f606817f988b447fbe2f7d895183a0af7 OP_EQUAL
Output
169
OP_HASH160 86eaf3c44fd62fbfb76aa835e358097c4eda1fef OP_EQUAL
Output
170
OP_HASH160 76078d30bcbc320c2a5fdf184ed38fb6361951a8 OP_EQUAL
Output
171
OP_HASH160 daa4c5ea41ba39685fc1a9eef8dbf63da878e9ad OP_EQUAL
Output
172
OP_HASH160 52ee64a419bda753c686f5e74fc4174204174e2c OP_EQUAL
Output
173
0 f5694a7aead04b0a496d9f4f60be4790f3a33808
Output
174
OP_DUP OP_HASH160 b02247ac30929114751db906ece0f412a3820acc OP_EQUALVERIFY OP_CHECKSIG
Output
175
OP_DUP OP_HASH160 0e1e5efa096f3a839e07c09daa8ea5968f41effb OP_EQUALVERIFY OP_CHECKSIG
Output
176
0 2489a7178538fbd700c39b636c343f49d388178d
Output
177
OP_DUP OP_HASH160 281bf472193937a9df0ded6c9f381cd82a25f203 OP_EQUALVERIFY OP_CHECKSIG
Output
178
OP_HASH160 200d44f305da33f14c08149195a91b23c0d1751a OP_EQUAL
Output
179
0 9daee5c74bc2616c7ff81a591e60e0f08b9425df
Output
180
OP_DUP OP_HASH160 ecd159373cd9ff907b38021c245c83d3f7fd9ad9 OP_EQUALVERIFY OP_CHECKSIG
Output
181
OP_HASH160 1623dd29678852cd9a9547ba84d240358d5093db OP_EQUAL
Output
182
OP_DUP OP_HASH160 db0000a9dacced742823f41d3ec9f78412aca66a OP_EQUALVERIFY OP_CHECKSIG
Output
183
OP_DUP OP_HASH160 656078e1f9d860e5a20f98107f58870d88150484 OP_EQUALVERIFY OP_CHECKSIG
Output
184
OP_HASH160 a7573cb70e640ace4bd43683c93295f7e7dd049a OP_EQUAL
Output
185
OP_DUP OP_HASH160 b272ec3b41a11e1bcda15f1122b5b9010068c88d OP_EQUALVERIFY OP_CHECKSIG
Output
186
OP_DUP OP_HASH160 22b53c69272934205b700b5ccbd16d8f267e1b81 OP_EQUALVERIFY OP_CHECKSIG
Output
187
0 61199f6233baa0ce8157720185f418c817537165
Output
188
OP_DUP OP_HASH160 12023e37ccd77aeaa5b4fcab158be476abd56578 OP_EQUALVERIFY OP_CHECKSIG
Output
189
OP_DUP OP_HASH160 e984067fa321571bc6dd94f66cd1e9af364111b6 OP_EQUALVERIFY OP_CHECKSIG
Output
190
0 b1c4051e61623a9bdaf212e870351a5b6532ef77