Epoch:
Slot:
Status:
Proposed
Finalized
Time:
2025-02-27 07:40:12 +0000 UTC
(15 day. ago)
Proposer:
Block Root:
0x8aa2e7b784f795f31e41020ea76f62b84d592f60634ffb9406ba424895e3be41
State Root:
0x103ddf526b7490b70cd2418e3979b5d1e7d89824fa588016a32807c060b99155
Signature:
0xa3eda6e10a4567b4696a297bf7c0b6fcf78cd212876afb481af8531bb9cb7493d554b4a460e4007b7361c8a6b3a2694815926c9237daa534ba0db206090bdf4f2cdd8b1e42919de234b271832beff95e681885cc5fd5ca3c34bd8c6e71c1c734
RANDAO Reveal:
0x8281cf354b9d2f5a564f5765a7a8225b509853ef0bf8be7ea05b4374582776e7b994539d15ee5effeba58a1edef993e01820b4d8f922a76c73436e73e0234a24733c976d2edf7841060f5fd5fa27199d31e6496a1c75da0dd7d5ddc1928c9ed2
Graffiti:
teku-geth-3 TKedf44caaGEb027a90a
Eth Data:
Deposit Count:
0
Deposit Root:
0xd70a234731285c6804c2a4f56711ddb8c82c99740f207854891028af34e27e5e
Sync Aggregate:
Participation:
91.21 %
Bits:
01111111 11011110 11111111 11101111 11111111 11111111 11111110 11111111 11111111 11011111 11011111 11101111 11111111 11011111 11111011 11111111 10111110 11111111 11111011 11111111 11111110 11111110 11111111 11111111 11111111 11111110 11111111 11111111 11110111 11111111 11111111 11101101 11111111 11100111 10101111 11010111 11111001 11101111 11111011 11110111 01111111 11111111 11111111 11011111 10111110 11111111 11101111 11011111 11011111 11111111 11111111 11110111 11101111 11111101 11110111 11111110 11111111 11111111 11111111 11111110 11111110 11111111 11111111 11011111
Signature:
0x8e49e264b3a9846a3439461328bc4b5c90b7d0e4a21ca0079132ce7bdb9519f743d96b1c45d5ff69313604fb7e4191bc152f5560bf19a1f09f6fd1753b0df3e0446115323aff46b0f5f4be6d2936087696e0dd9e87d964d1b5a56125f775ef66
Execution Payload:
Block Number:
Parent Hash:
0x20effe9d0a93fda0da34ab526455110becd2af6edf21f37f79bb6b16d2dc6ebf
Fee Recipient:
Gas Used:
490023
Gas Limit:
30000000
Base fee per gas:
7
Transactions:
10
Timestamp:
2025-02-27 07:40:12 +0000 UTC
(15 day. ago)
Block Extra Data
؃�geth�go1.23.6�linux
Attestations:
7
Voluntary Exits:
0
Slashings:
0 attester & 0 proposer slashings
Deposits:
0
Withdrawals:
0
BLS Address Changes:
0
Showing 10 Transactions
# | Hash | From | To | Method | Value | Call Data | |
---|---|---|---|---|---|---|---|
0 |
|
|
|
call? | 0 ETH | 260 B | |
1 |
|
|
|
call? | 0 ETH | 128 B | |
2 |
|
|
|
call? | 0 ETH | 128 B | |
3 |
|
|
|
call? | 0 ETH | 128 B | |
4 |
|
|
|
call? | 0 ETH | 128 B | |
5 |
|
|
|
call? | 0 ETH | 128 B | |
6 |
|
|
|
call? | 0 ETH | 128 B | |
7 |
|
|
|
call? | 0 ETH | 128 B | |
8 |
|
|
|
call? | 0 ETH | 128 B | |
9 |
|
|
|
call? | 0 ETH | 128 B |
Showing 7 Attestations
Attestation 0
Slot:
Committee Index:
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Aggregation Bits:
11111101 11111111 11111101 00110111 11111111 11111111 11111111 11101111
11111111 11111111 11011111 11111111 11111101 11111111 11111111 10011111
10111110 10111111 01111111 11111111 11111111 11111111 01011111 11111111
01111110 11111111 11111101 11111110 11111111 11111111 11111110 11111101
11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
11111111 11111111 11111111 11111111 01111011 01111111 11111111 10111110
10111101 01101111 01101111 11111111 11111111 11111111 10111111 10110111
11111111 11111111 11111111 11111111 11111100 11111011 10111101 01011101
11111111 11011111 11111111 10111111 11111111 11111111 11111111 11111111
11111111 11111111 11111011 11111111 11010111 11111111 11111111 11111110
11111111 11111111 11111111 00010010 11111111 11111110 11110111 11111110
11111111 01111111 10111111 11011111 11111111 11111111 10111111 11111111
11110111 01111111 11111111 11110111 11101111 11111110 11111111 11111111
00111111 11101111 11111111 11111110 11111111 11111101 11111111 01011001
11111111 11111011 11111111 01111111 11111111 11111111 11111111 11111111
11110011 01101111 11111111 11111111 11101111 11111111 01111111 11111101
11011111 11111111 11111111 11111110 11111111 11111111 11101111 11111111
11111110 11110111 11111111 11101111 11111111 11111011 01110111 11111111
11101111 11110111 11111101 01111011 11110111 11111111 01111111 11101110
11111111 10111111 11111110 11110110 11111111 11010111 11101111 11111111
11111110 11110111 11111111 01111111 11101011 11111111 11010111 11111011
11111110 11111111 11111111 11101111 11111110 11111111 11111111 11111111
01111111 11111101 11111111 11111111 11111110 11111111 11111111 11111111
11111110 11111111 01111111 11011111 11111111 11111110 11111111 11101111
11111111 11111111 10101111 11111111 11111111 01111111 11011111 11111111
01111111 11110111 11101111 11110111 11111111 11111111 11111111 11111111
11111111 11111111 01111111 11111111 10111111 01111011 11100111 11101111
11111111 11111111 10111111 11110111 11111101 11110101 01111111 11111111
11110111 11111011 11111111 11111111 01111111 11110001 11111111 10111111
11111111 11001111 11111111 11111111 11111111 11111111 11011111 11111111
11111111 01011111 11111111 11111111 10111111 11111111 11111011 10110101
11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
01111111 11111111 11111111 11111111 11111111 11101101 11101111 11111111
11101101 11111111 11111111 11111111 01111101 11111111 11111111 11111111
11111111 01111111 11111101 11011111 11111111 11111111 1111
11111111 11111111 11011111 11111111 11111101 11111111 11111111 10011111
10111110 10111111 01111111 11111111 11111111 11111111 01011111 11111111
01111110 11111111 11111101 11111110 11111111 11111111 11111110 11111101
11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
11111111 11111111 11111111 11111111 01111011 01111111 11111111 10111110
10111101 01101111 01101111 11111111 11111111 11111111 10111111 10110111
11111111 11111111 11111111 11111111 11111100 11111011 10111101 01011101
11111111 11011111 11111111 10111111 11111111 11111111 11111111 11111111
11111111 11111111 11111011 11111111 11010111 11111111 11111111 11111110
11111111 11111111 11111111 00010010 11111111 11111110 11110111 11111110
11111111 01111111 10111111 11011111 11111111 11111111 10111111 11111111
11110111 01111111 11111111 11110111 11101111 11111110 11111111 11111111
00111111 11101111 11111111 11111110 11111111 11111101 11111111 01011001
11111111 11111011 11111111 01111111 11111111 11111111 11111111 11111111
11110011 01101111 11111111 11111111 11101111 11111111 01111111 11111101
11011111 11111111 11111111 11111110 11111111 11111111 11101111 11111111
11111110 11110111 11111111 11101111 11111111 11111011 01110111 11111111
11101111 11110111 11111101 01111011 11110111 11111111 01111111 11101110
11111111 10111111 11111110 11110110 11111111 11010111 11101111 11111111
11111110 11110111 11111111 01111111 11101011 11111111 11010111 11111011
11111110 11111111 11111111 11101111 11111110 11111111 11111111 11111111
01111111 11111101 11111111 11111111 11111110 11111111 11111111 11111111
11111110 11111111 01111111 11011111 11111111 11111110 11111111 11101111
11111111 11111111 10101111 11111111 11111111 01111111 11011111 11111111
01111111 11110111 11101111 11110111 11111111 11111111 11111111 11111111
11111111 11111111 01111111 11111111 10111111 01111011 11100111 11101111
11111111 11111111 10111111 11110111 11111101 11110101 01111111 11111111
11110111 11111011 11111111 11111111 01111111 11110001 11111111 10111111
11111111 11001111 11111111 11111111 11111111 11111111 11011111 11111111
11111111 01011111 11111111 11111111 10111111 11111111 11111011 10110101
11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
01111111 11111111 11111111 11111111 11111111 11101101 11101111 11111111
11101101 11111111 11111111 11111111 01111101 11111111 11111111 11111111
11111111 01111111 11111101 11011111 11111111 11111111 1111
Included Validators:
Beacon Block Root:
Signature:
0x8a2cbd9c80f9bc1e741572a068fdd5d9e4ed9720ffea98b939822f5cfc48b2d8497055617d795e518318053da5a8f65918de96b296b3989c5a719034c61ba6e37435b54ce50d4935db6486397087a85f559758db25492fce05f855b184b913a8
Attestation 1
Slot:
Committee Index:
0
2
3
4
5
6
7
8
9
10
11
12
14
15
16
Aggregation Bits:
00000010 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000010 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00001000
00010000 10000100 10000000 00000000 00000000 00000000 00000000 01000000
00000000 00000000 00000000 00000000 00010000 00000010 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00100000 00000001 00000000 00000000 00000000 00000000
00000000 00000000 00000100 01001000 00000000 00001000 01000000 00001000
00000000 00000010 00000001 00000000 00000000 00000010 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000100
00000000 00000000 00000000 00000000 00000000 00000000 00000100 00000000
00000000 00000000 00000100 00000000 00000000 00000000 00000000 00000000
01100000 00000000 00000000 00000000 00000000 00000000 00000000 00000001
00000000 00000000 00000000 00001000 00000000 00000000 00000000 00000000
00000000 01000000 00000000 10000000 00000000 00000100 00000000 00000000
10000000 01000000 00000100 00100000 00000000 00000100 00000000 10000000
00000010 00000000 00001000 00000000 00000001 01000000 00000000 00000000
00001000 00000000 00000100 00000000 10100000 00000001 00000000 00100000
00001000 00000000 00000000 10000000 00001000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00001000 00000000 00000000 00000000
00000000 00000100 00000001 00000000 00000000 00000000 00000000 00000000
00000000 00000010 00000000 00000000 00000100 00000000 00000000 00000000
00000000 01000000 10000000 01000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000010 10000000 00000000 00000000
00000100 00000000 00000000 00000000 00000000 00001000 00000000 00000000
00101000 00000000 00000000 00000000 00000000 00000000 00000000 10000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00100000 10000000 00000000 00000000 00000000
00100000 00000000 00000000 00000000 00000000 000000
00000000 00000000 00000000 00000000 00000010 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00001000
00010000 10000100 10000000 00000000 00000000 00000000 00000000 01000000
00000000 00000000 00000000 00000000 00010000 00000010 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00100000 00000001 00000000 00000000 00000000 00000000
00000000 00000000 00000100 01001000 00000000 00001000 01000000 00001000
00000000 00000010 00000001 00000000 00000000 00000010 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000100
00000000 00000000 00000000 00000000 00000000 00000000 00000100 00000000
00000000 00000000 00000100 00000000 00000000 00000000 00000000 00000000
01100000 00000000 00000000 00000000 00000000 00000000 00000000 00000001
00000000 00000000 00000000 00001000 00000000 00000000 00000000 00000000
00000000 01000000 00000000 10000000 00000000 00000100 00000000 00000000
10000000 01000000 00000100 00100000 00000000 00000100 00000000 10000000
00000010 00000000 00001000 00000000 00000001 01000000 00000000 00000000
00001000 00000000 00000100 00000000 10100000 00000001 00000000 00100000
00001000 00000000 00000000 10000000 00001000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00001000 00000000 00000000 00000000
00000000 00000100 00000001 00000000 00000000 00000000 00000000 00000000
00000000 00000010 00000000 00000000 00000100 00000000 00000000 00000000
00000000 01000000 10000000 01000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000010 10000000 00000000 00000000
00000100 00000000 00000000 00000000 00000000 00001000 00000000 00000000
00101000 00000000 00000000 00000000 00000000 00000000 00000000 10000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00100000 10000000 00000000 00000000 00000000
00100000 00000000 00000000 00000000 00000000 000000
Included Validators:
Beacon Block Root:
Signature:
0x8a3ee43489e07fafeed628c89d41ac1c599d738cfa623fe45e12dab7749cb67f3501059897f20f62c693c2d86af01601033afdfbb611aee9f27e6073ae5d67fcf069ea025ca81d2dc964057c95ebc185e174e08f09342cfa534e285d9e4fcbef
Attestation 2
Slot:
Committee Index:
4
11
Aggregation Bits:
11111111 11011111 11111111 11111111 11111011 11111111 01111110 11111111
11111111 11111111 11111111 01101111 11111111 11111111 11111111 11111111
11111111 11111111 11111111 11111111 11111111 11111111 11110111 11111111
11011111 11111111 11111111 11101111 11111111 11111111 11111111 11111111
111111
11111111 11111111 11111111 01101111 11111111 11111111 11111111 11111111
11111111 11111111 11111111 11111111 11111111 11111111 11110111 11111111
11011111 11111111 11111111 11101111 11111111 11111111 11111111 11111111
111111
Included Validators:
Beacon Block Root:
Signature:
0x87a885f91825ad29f912930ee6643c3da2448ca2c6495de0abec55fe6ada32ec35917ffeed8dd495c42ffead823e88a40c1f57e1e605e87c83b7312a6ea964eb9e1cbf856b684351cf32f921f810649d82e89af9224127e0eb7648a9d2905575
Attestation 3
Slot:
Committee Index:
9
Aggregation Bits:
00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00100000 00000000 00000000 00000000 00000000
000
00000000 00000000 00000000 00100000 00000000 00000000 00000000 00000000
000
Included Validators:
Beacon Block Root:
Signature:
0x993e387b7095e24abe2ef0defc6e5077a9a145c4a00a898dbdacace7e043f5be11ca38f5f8f5f53713d8e60d060efdd201713e9fbc5b5a70318935cfc75a7f0f496ab90c1d7d221a80955492c1536eb9e619bed68ba900cf2649707a9a57b7a2
Attestation 4
Slot:
Committee Index:
0
2
9
10
12
Aggregation Bits:
00000000 00000010 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 10000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
01000000 00000000 00000000 00000010 00000000 10000000 00000000 00000000
00000000 00000000 00000000 00000000 00000010 00000000 01000000 00000000
00000000 00000000 00000000 00000000 00000000 00010000 00000000 00000000
00000000 00000000 00000100 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00001000 00000000
00000000 0000000
00000000 00000000 00000000 10000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
01000000 00000000 00000000 00000010 00000000 10000000 00000000 00000000
00000000 00000000 00000000 00000000 00000010 00000000 01000000 00000000
00000000 00000000 00000000 00000000 00000000 00010000 00000000 00000000
00000000 00000000 00000100 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00001000 00000000
00000000 0000000
Included Validators:
Beacon Block Root:
Signature:
0x8ff57b406f1e27337c5bd8c8cb78726a365bf4a06ace24f07e3b414d7e07bc7f27f967bc8590157ec76e686df5e177f3029a396e8d24757a4ec6dfce360d52e30e7633437ba929472615798a6a095f604766801fa8414993d43869a856f644a9
Attestation 5
Slot:
Committee Index:
0
1
2
3
4
6
13
15
Aggregation Bits:
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00001000 00000000 00000000
00000000 00000000 01000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 01000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00001000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00001000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 10000000 00010000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 01000000 00000000 00000000 00000000 00000000
00000000 00000010 00000000 00100000 00000000 00000000 00000000 00000000
10000000 00000000 00000000 00000000 00000000 00000000 00000010 00000000
00000000 00000000 00000000 0
00000000 00000000 00000000 00000000 00000000 00001000 00000000 00000000
00000000 00000000 01000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 01000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00001000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00001000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 10000000 00010000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 01000000 00000000 00000000 00000000 00000000
00000000 00000010 00000000 00100000 00000000 00000000 00000000 00000000
10000000 00000000 00000000 00000000 00000000 00000000 00000010 00000000
00000000 00000000 00000000 0
Included Validators:
Beacon Block Root:
Signature:
0x8ab0d8653208fcbd06ecd5215802bdbe6744f601cd83c3ff9bbebf714aa064af69db3a336e483248ae7d852912806325080c86670af929ed584193778abca3216ba6b9e4efa4f4da6440944d7a5a33e2fcf3b17b9c93065f58bacc5fc656f08c
Attestation 6
Slot:
Committee Index:
1
5
6
8
Aggregation Bits:
00000100 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00001000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000010 00000000 00000000 00000000
00000000 00000100 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 0000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00001000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000010 00000000 00000000 00000000
00000000 00000100 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 0000
Included Validators:
Beacon Block Root:
Signature:
0x976a91199f6fc8cf3d39c5bf0223635c8fb7dac8ad05530d49847c5e81be0b8aa81d1542b6ddf39889ca187cadb7821216991d8ae90cefe21f452e20eaaf5b8436f340c2a17cafd26cf58ac7c3fdc1f65681102f05c4fc71426d2ddf28ba8c73
Showing 9 Blob sidecars
Blob Sidecar 0
KZG Commitment:
0x873376d09297144950f79f71c7f07a873e09de7957eb2b6bea9ab40c87458507fa71cf71c489bacd10ee48f4df15ff4c
Blob Sidecar 1
KZG Commitment:
0xaf93a3d18d47339fa0752523edb8ac33ec60ca59ecea716d9e069cd568c686088b88892059c4afff9b6fdd3ba5ac9ef2
Blob Sidecar 2
KZG Commitment:
0x9119046feace9ee5d44d722e7d25a2c60c4c32226235656542e11d52dda5732cdfe64299630fc19daf723b55d9d125c4
Blob Sidecar 3
KZG Commitment:
0xb09501ec34195010529ae54fcc129024363579b4b2ec583efc02735edd8e87af622363f8d83ead120af3dceddce2a567
Blob Sidecar 4
KZG Commitment:
0xb342c036d46ff1ea3d526e21d0bdea77f0470c739c4e213c36b50b1513db1df234d06e3a00c1b6de22452f2552824560
Blob Sidecar 5
KZG Commitment:
0x8222ef06e2a84aa6022bd169a8eb0d7a6b3d7243ce8eff81e124e490f9c630ec40d608d1796a8060894a7e9dfba568e0
Blob Sidecar 6
KZG Commitment:
0xa1fd7549663e141194eee0e8bcc158ee482ca4adbdd722ded1c3429b88de7fb9e458922473d7ba1f403b2826c37cbfec
Blob Sidecar 7
KZG Commitment:
0xa2bb09b5ebc8465b34d4fc609d6650a9d9704d4b5d789a5330e27b8772b16f7497d24db213e62281abe5935029ebae63
Blob Sidecar 8
KZG Commitment:
0x8ff42aa656b1a59929d2f94a0258cb1d174179a87cf64da2f4ed8ff37d257250281cb44e7d94d1850cbdd10a28eb6af1