Block

20615456
0xd32934721e96d14ba0a2ef0ca78221e1120b3394501ceb8b5db9ca90eeec8ddd
Transactions139
Height20615456
Confirmations1201567
Timestamp167 days 18 hours ago
Size (bytes)63864
Version
Merkle Root
Nonce0x0000000000000000
Bits
Difficulty0x0

Transactions

0x98fbf87983dc0726996a3c58ebea7a87af6e5214b542af03e0bc7aeaadb70cae
mined 167 days 18 hours ago
0x2b63c7bb
0xae2Fc483527B8EF99EB5D9B44875F005ba1FaE13
 
0x1f2F10D1C40777AE1Da742455c65828FF36Df387
0.000000000000000155 ETH0.00 RUB0.00 RUB
ERC20 Token Transfers
0xc7bBeC68d12a0d1830360F8Ec58fA599bA1b0e9b
 
Convergence LP Token
288.056695 USDT0.108399 ETH28160.23 RUB
0x1f2F10D1C40777AE1Da742455c65828FF36Df387
 
0xc7bBeC68d12a0d1830360F8Ec58fA599bA1b0e9b
0.107533692590489481 WETH0.107594 ETH27951.26 RUB
Convergence LP Token
 
Convergence LP Token
2029661.887764222403674112 CONV0.041906 ETH10886.62 RUB
Convergence LP Token
 
0x1f2F10D1C40777AE1Da742455c65828FF36Df387
0.111150352006381568 WETH0.111213 ETH28891.34 RUB
Fee 0.003607275011786394 ETH890.44 RUB937.11 RUB (17.936914866 Gwei/gas)
1201567 confirmations0.000000000000000155 ETH0.00 RUB0.00 RUB
0xb370a13a24eed8029d6e513d0dd43ab7affb7e866e7fa6c3974f897b3c173af9
mined 167 days 18 hours ago
Swap ETH For Exact Tokens (0x0162e2d0)
0x4127Cfe305682AAdB5FC302ef2236027fce87adc
 
0x3328F7f4A1D1C57c35df56bBf0c9dCAFCA309C49
0.02 ETH4936.92 RUB5195.68 RUB
ERC20 Token Transfers
0x3328F7f4A1D1C57c35df56bBf0c9dCAFCA309C49
 
Uniswap V2
0.01990049751243781 WETH0.019912 ETH5172.74 RUB
Uniswap V2
 
0x4127Cfe305682AAdB5FC302ef2236027fce87adc
800760914.415374561 MUMU-
Fee 0.002937840804020958 ETH725.19 RUB763.20 RUB (16.434461678 Gwei/gas)
1201567 confirmations0.02 ETH4936.92 RUB5195.68 RUB
0x9ec4ab397e5c90e7ac93d64bd4aea94562f4e09e5b7b4c3060aca6c3e83eee55
mined 167 days 18 hours ago
Approve (0x095ea7b3)
0x4EcA90A4292F2d76836561f0bbdF6E44A82801F9
 
Bobby Hill
0 ETH0.00 RUB0.00 RUB
Fee 0.000299697921576206 ETH73.98 RUB77.86 RUB (6.434461678 Gwei/gas)
1201567 confirmations0 ETH0.00 RUB0.00 RUB
0xdade15d57405afd48c49c6ac0a2529cfe6e2a4813d0997d36a8ec12de60eb392
mined 167 days 18 hours ago
Swap Exact Tokens For ETH Supporting Fee On Transfer Tokens (0x791ac947)
0x4EcA90A4292F2d76836561f0bbdF6E44A82801F9
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0 ETH0.00 RUB0.00 RUB
ERC20 Token Transfers
Bobby Hill
 
Uniswap V2
20558811 BOBBY-
Uniswap V2
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
19.107090185890661832 WETH19.117848 ETH4966511.02 RUB
0x4EcA90A4292F2d76836561f0bbdF6E44A82801F9
 
Uniswap V2
20558811 BOBBY-
Uniswap V2
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
6.886742402129545977 WETH6.890620 ETH1790072.78 RUB
Fee 0.001591737826518606 ETH392.91 RUB413.51 RUB (6.434461678 Gwei/gas)
1201567 confirmations0 ETH0.00 RUB0.00 RUB
0x2d26682e98fde1772548d59e7610272d7da43d4214ae9167bcf5f648dddd5372
mined 167 days 18 hours ago
Verify Batches Trusted Aggregator (0x1489ed10)
0x20A53dCb196cD2bcc14Ece01F358f1C849aA51dE
 
0x5132A183E9F3CB7C848b0AAC5Ae0c4f0491B7aB2
0 ETH0.00 RUB0.00 RUB
ERC20 Token Transfers
0x5132A183E9F3CB7C848b0AAC5Ae0c4f0491B7aB2
 
0x8F2D2Da3044B0A1ea54Ee26F7fe376cD9ec4393F
0.299999999999993304 POL0.000035 ETH9.04 RUB
Fee 0.001616481012096306 ETH399.02 RUB419.94 RUB (4.434461678 Gwei/gas)
1201567 confirmations0 ETH0.00 RUB0.00 RUB
0xd2746709f1d039fba73c9e098204879f44960257ba51f3d930c7f2ebb0f198af
mined 167 days 18 hours ago
To PMM (0xa32fe0a1)
0xf3AA8d57aD968a922532e1E13181B72fF8e7bce5
 
0x03f34bE1BF910116595dB1b11E9d1B2cA5D59659
0.031 ETH7652.22 RUB8053.30 RUB
ERC20 Token Transfers
0x56178a0d5F301bAf6CF3e1Cd53d9863437345Bf9
 
0x8D90113A1e286a5aB3e496fbD1853F265e5913c6
83.04085 USDT0.031249 ETH8118.02 RUB
0x8D90113A1e286a5aB3e496fbD1853F265e5913c6
 
0x56178a0d5F301bAf6CF3e1Cd53d9863437345Bf9
0.031 WETH0.031017 ETH8057.84 RUB
0x8D90113A1e286a5aB3e496fbD1853F265e5913c6
 
0xf3AA8d57aD968a922532e1E13181B72fF8e7bce5
82.791727 USDT0.031155 ETH8093.66 RUB
Fee 0.001193477712631886 ETH294.61 RUB310.05 RUB (4.434461678 Gwei/gas)
1201567 confirmations0.031 ETH7652.22 RUB8053.30 RUB
0x968b598c35c3c0109c66266c53d72c810568e7b09122bec404c02a11eab42bfd
mined 167 days 18 hours ago
Swap Exact ETH For Tokens Supporting Fee On Transfer Tokens (0xb6f9de95)
0x9C84455Dc69377f5b502fCED14d08348B0d28B4A
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0.7 ETH172792.09 RUB181848.80 RUB
ERC20 Token Transfers
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
 
Uniswap V2
0.7 WETH0.700394 ETH181951.19 RUB
Uniswap V2
 
0x9C84455Dc69377f5b502fCED14d08348B0d28B4A
2915867.40158207 BOBBY-
Fee 0.001036919933871378 ETH255.96 RUB269.38 RUB (6.434461678 Gwei/gas)
1201567 confirmations0.7 ETH172792.09 RUB181848.80 RUB
0x5756cca011683860d45e63ceeeb99b15de6b5948387526ce1bb6551b8f2741cb
mined 167 days 18 hours ago
Swap Exact ETH For Tokens Supporting Fee On Transfer Tokens (0xb6f9de95)
0xeAAD4339c807fb3045d4a1B6A077cD2e065FC47e
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0.55 ETH135765.21 RUB142881.20 RUB
ERC20 Token Transfers
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
 
Uniswap V2
0.55 WETH0.550310 ETH142961.65 RUB
Uniswap V2
 
0xeAAD4339c807fb3045d4a1B6A077cD2e065FC47e
2111496.44544864 BOBBY-
Fee 0.001036919933871378 ETH255.96 RUB269.38 RUB (6.434461678 Gwei/gas)
1201567 confirmations0.55 ETH135765.21 RUB142881.20 RUB
0x3d0177b410409f4525cef5ba3cf1488e6c9e5c28af03b6b9610cc18d0b2a60c7
mined 167 days 18 hours ago
Swap Exact ETH For Tokens Supporting Fee On Transfer Tokens (0xb6f9de95)
0x834FaFb2F3Bb9Bf7263Be533356A3BC3e89F515c
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0.75 ETH185134.38 RUB194838.00 RUB
ERC20 Token Transfers
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
 
Uniswap V2
0.75 WETH0.750422 ETH194947.70 RUB
Uniswap V2
 
0x834FaFb2F3Bb9Bf7263Be533356A3BC3e89F515c
2655280.05867795 BOBBY-
Fee 0.001036919933871378 ETH255.96 RUB269.38 RUB (6.434461678 Gwei/gas)
1201567 confirmations0.75 ETH185134.38 RUB194838.00 RUB
0x84b4c740e7b9ea1c4396bbddd540face9679a396db1780547512b3b09a4640c9
mined 167 days 18 hours ago
Swap Exact ETH For Tokens Supporting Fee On Transfer Tokens (0xb6f9de95)
0xA3a6fAe6F41bC35e1D61b6A5DE8697042629F385
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0.5 ETH123422.92 RUB129892.00 RUB
ERC20 Token Transfers
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
 
Uniswap V2
0.5 WETH0.500282 ETH129965.13 RUB
Uniswap V2
 
0xA3a6fAe6F41bC35e1D61b6A5DE8697042629F385
1641541.59685541 BOBBY-
Fee 0.001036919933871378 ETH255.96 RUB269.38 RUB (6.434461678 Gwei/gas)
1201567 confirmations0.5 ETH123422.92 RUB129892.00 RUB
0xd0a461eeef439c57d3b6846779b8226aaccae142be9e320c7f63ed89ff90e891
mined 167 days 18 hours ago
Swap Exact ETH For Tokens Supporting Fee On Transfer Tokens (0xb6f9de95)
0xb8f833855722083717a3152ADE02bF5d1bf1B930
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0.4 ETH98738.34 RUB103913.60 RUB
ERC20 Token Transfers
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
 
Uniswap V2
0.4 WETH0.400225 ETH103972.11 RUB
Uniswap V2
 
0xb8f833855722083717a3152ADE02bF5d1bf1B930
1246092.35910284 BOBBY-
Fee 0.000926890639177578 ETH228.80 RUB240.79 RUB (6.434461678 Gwei/gas)
1201567 confirmations0.4 ETH98738.34 RUB103913.60 RUB
0x5a15a6ea8a841424e9cba12f155ea9bb261f61aa68ba8286c1525ce99b3bb858
mined 167 days 18 hours ago
Swap Exact ETH For Tokens Supporting Fee On Transfer Tokens (0xb6f9de95)
0x647f8D15942F7dC4bb6FdcAeaAa1CF96309d603a
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
1.5 ETH370268.77 RUB389676.00 RUB
ERC20 Token Transfers
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
 
Uniswap V2
1.5 WETH1.500845 ETH389895.40 RUB
Uniswap V2
 
0x647f8D15942F7dC4bb6FdcAeaAa1CF96309d603a
4208541.5716859 BOBBY-
Fee 0.000926890639177578 ETH228.80 RUB240.79 RUB (6.434461678 Gwei/gas)
1201567 confirmations1.5 ETH370268.77 RUB389676.00 RUB
0x501f53e7ec36590bb585fc6f5582b34eeaaf74df8c1224e6edc382f1e6a3aa7f
mined 167 days 18 hours ago
Swap Exact ETH For Tokens Supporting Fee On Transfer Tokens (0xb6f9de95)
0x76e8Ca8f5048aa6A2E1e5C65c0C0Dd582202907d
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0.9 ETH222161.26 RUB233805.60 RUB
ERC20 Token Transfers
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
 
Uniswap V2
0.9 WETH0.900507 ETH233937.24 RUB
Uniswap V2
 
0x76e8Ca8f5048aa6A2E1e5C65c0C0Dd582202907d
2222124.37704338 BOBBY-
Fee 0.000926890639177578 ETH228.80 RUB240.79 RUB (6.434461678 Gwei/gas)
1201567 confirmations0.9 ETH222161.26 RUB233805.60 RUB
0x740d39b25f373b4fa516b3ddf03a3e0738f9942155fd80d2da7765a6d5dc38e5
mined 167 days 18 hours ago
Swap Exact ETH For Tokens Supporting Fee On Transfer Tokens (0xb6f9de95)
0xA08d5643592AF8366a5EbECb42c37581F68109Ef
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0.87 ETH214755.88 RUB226012.08 RUB
ERC20 Token Transfers
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
 
Uniswap V2
0.87 WETH0.870490 ETH226139.33 RUB
Uniswap V2
 
0xA08d5643592AF8366a5EbECb42c37581F68109Ef
1965956.96837172 BOBBY-
Fee 0.000926890639177578 ETH228.80 RUB240.79 RUB (6.434461678 Gwei/gas)
1201567 confirmations0.87 ETH214755.88 RUB226012.08 RUB
0xda59a01a2be5a509a6f21a0d0c8c2fbe5b7bae5276017a6681bee28d346f4ad0
mined 167 days 18 hours ago
Swap Exact Tokens For ETH Supporting Fee On Transfer Tokens (0x3d0e3ec5)
0x5727F16D70e4400Fe4f65f92B24F9a2778aF4236
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0 ETH0.00 RUB0.00 RUB
ERC20 Token Transfers
0x5727F16D70e4400Fe4f65f92B24F9a2778aF4236
 
MAGA AGAIN
23.981041683949215999 MAGAA0.000003 ETH0.89 RUB
0x5727F16D70e4400Fe4f65f92B24F9a2778aF4236
 
Uniswap V2
2374.123126710972384 MAGAA0.000339 ETH87.95 RUB
Uniswap V2
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0.009706433358051135 WETH0.009712 ETH2523.00 RUB
Fee 0.000674654565229242 ETH166.54 RUB175.26 RUB (4.434461678 Gwei/gas)
1201567 confirmations0 ETH0.00 RUB0.00 RUB
0xd1bb03791c9e09429913e5ba737413a964027d8c52181caef9d62ccbba8dc873
mined 167 days 18 hours ago
Swap (0x5f575529)
0xC7f696Af8cc4b27bA02a015992a202E952c902E5
 
0x881D40237659C251811CEC9c364ef91dC08D300C
0.186 ETH45913.33 RUB48319.82 RUB
ERC20 Token Transfers
0x74de5d4FCbf63E00296fd95d33236B9794016631
 
0x51C72848c68a965f66FA7a88855F9f7784502a7F
0.1843725 WETH0.184476 ETH47923.99 RUB
0x51C72848c68a965f66FA7a88855F9f7784502a7F
 
0x74de5d4FCbf63E00296fd95d33236B9794016631
97.088980372 TONCOIN0.138363 ETH35944.61 RUB
0x51C72848c68a965f66FA7a88855F9f7784502a7F
 
0xaD30f7EEBD9Bd5150a256F47DA41d4403033CdF0
0.04854449 TONCOIN0.000069 ETH17.97 RUB
0x74de5d4FCbf63E00296fd95d33236B9794016631
 
0xC7f696Af8cc4b27bA02a015992a202E952c902E5
97.088980372 TONCOIN0.138363 ETH35944.61 RUB
Fee 0.0006910055080236 ETH170.57 RUB179.51 RUB (3.93816115 Gwei/gas)
1201567 confirmations0.186 ETH45913.33 RUB48319.82 RUB
0x1cee26ec456e8a27e0b17dfe07f9bec62ed25f399d9fb2e6a2a6e03487d77184
mined 167 days 18 hours ago
Execute (0x3593564c)
0xb252A781C4E995DB723D584C71f820bf53C4cD3e
 
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
0.007468883173343357 ETH1843.66 RUB1940.30 RUB
ERC20 Token Transfers
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
 
Uniswap V2
0.007468883173343357 WETH0.007473 ETH1941.39 RUB
Uniswap V2
 
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
16167.60983693 BOBBY-
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
 
0x000000fee13a103A10D593b9AE06b3e05F2E7E1c
40.41902459 BOBBY-
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
 
0xb252A781C4E995DB723D584C71f820bf53C4cD3e
16127.19081234 BOBBY-
Fee 0.000707132351046668 ETH174.55 RUB183.70 RUB (3.560083931 Gwei/gas)
1201567 confirmations0.007468883173343357 ETH1843.66 RUB1940.30 RUB
0x1dbd7a6ffe158f8a5722ae5fe6e4b048eb6fc6e491eedf9f4ec72bb1802a5af4
mined 167 days 18 hours ago
Swap Exact Tokens For ETH Supporting Fee On Transfer Tokens (0x791ac947)
0xc595836992B677f321Ddcd147D7fDf0acD6b5e6E
 
0x74548C2C2Ac80E3194b925E99FBE7d25f8E46cE2
0 ETH0.00 RUB0.00 RUB
ERC20 Token Transfers
DOGGO
 
Uniswap V2
112961.698812355164251366 DOGGO-
Uniswap V2
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0.016600297592693641 WETH0.016610 ETH4314.92 RUB
0xc595836992B677f321Ddcd147D7fDf0acD6b5e6E
 
0x74548C2C2Ac80E3194b925E99FBE7d25f8E46cE2
10000 DOGGO-
DOGGO
 
Uniswap V2
113526.507306416940072623 DOGGO-
Uniswap V2
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0.016517955584106868 WETH0.016527 ETH4293.52 RUB
0x74548C2C2Ac80E3194b925E99FBE7d25f8E46cE2
 
Uniswap V2
10000 DOGGO-
Uniswap V2
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0.001447115665645993 WETH0.001448 ETH376.15 RUB
Fee 0.000978006027749652 ETH241.42 RUB254.07 RUB (2.434461678 Gwei/gas)
1201567 confirmations0 ETH0.00 RUB0.00 RUB
0xa8d7eea1432c675b8cddf1a8529eb1398fb05761de2ab2f4d2fd8d0994589071
mined 167 days 18 hours ago
0x3ce33bff
0x114c12Efc48d9704470d72f56d4474a63b1D7969
 
0x0439e60F02a8900a951603950d8D4527f400C3f1
0.080674574106921183 ETH19914.18 RUB20957.96 RUB
ERC20 Token Transfers
0x5215E9fd223BC909083fbdB2860213873046e45d
 
0x1231DEB6f5749EF6cE6943a275A1D3E7486F4EaE
0.0793 WETH0.079345 ETH20612.47 RUB
0x1231DEB6f5749EF6cE6943a275A1D3E7486F4EaE
 
0x8898B472C54c31894e3B9bb83cEA802a5d0e63C6
0.0793 WETH0.079345 ETH20612.47 RUB
Fee 0.0009585052379677 ETH236.60 RUB249.00 RUB (2.282427046 Gwei/gas)
1201567 confirmations0.080674574106921183 ETH19914.18 RUB20957.96 RUB
0x427a10136365f2fdebe13afc8db993c74a0aa03253af4e35c5f4e46373711349
mined 167 days 18 hours ago
Failed
Borrow (0xa415bcad)
0x9da101b03812E4e92744d90e9e3183996d4A4E20
 
0x87870Bca3F3fD6335C3F4ce8392D69350B4fA4E2
0 ETH0.00 RUB0.00 RUB
Fee 0.000608554531706996 ETH150.22 RUB158.09 RUB (2.934461678 Gwei/gas)
1201567 confirmations0 ETH0.00 RUB0.00 RUB
0xff4ae45ced7b01f950f2ac842fed05b06d3748719c9f1c184a66a56c8d6484e3
mined 167 days 18 hours ago
Transfer
0x1dB47C0910456247464c92634d3d09e62D084b4F
 
0xCBD6832Ebc203e49E2B771897067fce3c58575ac
0.08388382961152 ETH20706.37 RUB21791.68 RUB
Fee 0.00003677038848 ETH9.08 RUB9.55 RUB (1.75097088 Gwei/gas)
1201567 confirmations0.08388382961152 ETH20706.37 RUB21791.68 RUB
0x79cc7df574e09f5878f88adfe5687b16c664e7ea59d655deb935c2df63bdeca6
mined 167 days 18 hours ago
Transfer (0xa9059cbb)
0x3C289C1CcA9cc10bD5C8Bddd190Bec84CEB2Cb98
 
Solv BTC
0 ETH0.00 RUB0.00 RUB
ERC20 Token Transfers
0x3C289C1CcA9cc10bD5C8Bddd190Bec84CEB2Cb98
 
0x3084ccDC9eF833ed13ecC513b49656248E3EF951
0.00010106 SolvBTC0.003694 ETH959.56 RUB
Fee 0.000064887912364288 ETH16.02 RUB16.86 RUB (1.695440854 Gwei/gas)
1201567 confirmations0 ETH0.00 RUB0.00 RUB
0xddc4f61156c17b113c403fa1988cf72c1a598d089711d589a9bd165e0eb4d5da
mined 167 days 18 hours ago
Transfer
0x75e89d5979E4f6Fba9F97c104c2F0AFB3F1dcB88
 
0xC456416b5d0bb4FD65011532ABd3EeaEE2f307b4
0.007 ETH1727.92 RUB1818.49 RUB
Fee 0.000179138226414 ETH44.22 RUB46.54 RUB (8.530391734 Gwei/gas)
1201567 confirmations0.007 ETH1727.92 RUB1818.49 RUB
0xc977077d00a3255712e6cc8987d4e01ee065d46bc251414be1391e0f987051de
mined 167 days 18 hours ago
Transfer
0x8064A98d47dd5866A8F124CB1FDAa1A3b101d1Ed
 
0x7a6773dc919f1d7000988cc14AF8d9A88A9f6788
0.0000000001 ETH0.00 RUB0.00 RUB
Fee 0.000035530372605 ETH8.77 RUB9.23 RUB (1.691922505 Gwei/gas)
1201567 confirmations0.0000000001 ETH0.00 RUB0.00 RUB
0x99a19ea576a4e6008ba86ca86a92b48a0ed160fc5e9a2ddb81116c1f9a9e8b9f
mined 167 days 18 hours ago
Transfer (0xa9059cbb)
0xa4896073B06cf85f133d64130F195864EB79A430
 
Pepe
0 ETH0.00 RUB0.00 RUB
ERC20 Token Transfers
0xa4896073B06cf85f133d64130F195864EB79A430
 
0xdd50c0dB9cfDdD0B2041d807251bfaA9197EC751
15000000 PEPE0.054570 ETH14176.41 RUB
Fee 0.000173448 ETH42.81 RUB45.06 RUB (4 Gwei/gas)
1201567 confirmations0 ETH0.00 RUB0.00 RUB