Block

810908
91474a7137a218fd872aa5dabe6c536fbcc87ce0ccedd0f2557f7f88f4b4a9f7
Transactions21
Height810908
Confirmations1496467
Timestamp2600 days 2 hours ago
Size (bytes)15389
Version536870912
Merkle Roote5b0d7b8b9884577b52355eac7b2483ba8603d8f22161b83c6e6984d236b7364
Nonce322254376
Bits1b00eb2f
Difficulty71335.58822063879

Transactions

b522a59238c621971efb0a510f823c7f88eb6c6807c5810d11e40221671997d0
mined 2600 days 2 hours ago
No Inputs (Newly Generated Coins)
 
VuPp8H4W3g1dmwGg6pe41D2Khw8JvfEznn50.10873420 VTC570.25 SAR10.05 SAR→
OP_RETURN aa21a9ed524953154576616b9aa8cdca380aff8094fb33450f70e258a6ce46610411d9f50 VTC0.00 SAR0.00 SAR×
Fee 0 VTC0.00 SAR0.00 SAR
1496467 confirmations50.10873420 VTC570.25 SAR10.05 SAR
f1650b2570323ef4357bfc0886188d46605046ea6239911d45b02aa951b83dd1
mined 2600 days 2 hours ago
VyAvk1xUNn57gRgbFFLRVnMJcVnB5gVbw50.72700406 VTC8.27 SAR0.15 SAR
VgW1NSrhkKSmrffWBaKujd5Gtvx6SAR3cE1.40000000 VTC15.93 SAR0.28 SAR
 
VvL1NJGBMscQbKa7Lro4NThyLeG2oHuRcA0.40395918 VTC4.60 SAR0.08 SAR→
VrgjjRaad4m9RjW7k2ksuYusK1rhMPmqud1.64844488 VTC18.76 SAR0.33 SAR→
Fee 0.07460000 VTC0.85 SAR0.01 SAR
1496467 confirmations2.05240406 VTC23.36 SAR0.41 SAR
f2905d906fb0d4ccae9d7dc0b14c94349e5ceaa87423d9ac8858cd0390b9dace
mined 2600 days 2 hours ago
VaaifYMrTcWLSJVhUf4Ew4tFRJsCQivYWJ0.01846163 VTC0.21 SAR0.00 SAR
VfeFidKudxeyXN2nHTyAWse8FSyTCyWyuF50.66733388 VTC576.61 SAR10.16 SAR
 
3KwC5VvjSsk34wTB4grACr7CgMfQuuropp50.67207510 VTC576.66 SAR10.16 SAR→
VovQ1xMGxSb75aPFGhu6YbgMvm9Ma1wcuj0.01000041 VTC0.11 SAR0.00 SAR→
Fee 0.00372000 VTC0.04 SAR0.00 SAR
1496467 confirmations50.68207551 VTC576.78 SAR10.17 SAR
084a056d765d1ae53d4b7dabf804b3b89a63f66806547cb47d65f50965be38df
mined 2600 days 2 hours ago
VwSxHQqr5Tv2tU711JUMSUiRERKjat95d23.00000000 VTC34.14 SAR0.60 SAR
VfhzxJxFv4YLCzSEbSfktWUVtxTFNyyio45.24346027 VTC59.67 SAR1.05 SAR
Vq13djKv1YmcpCqu9KG2FpvJkAvpPGQVUx0.23759980 VTC2.70 SAR0.05 SAR
 
Vmc54aWiD48DN7Q8iKT641nQmJuFmmmAk68.46584000 VTC96.34 SAR1.70 SAR→
VvoJM8N7Fsn9ezQhrH31nLV3nCvRBCqGkp0.01000007 VTC0.11 SAR0.00 SAR→
Fee 0.00522000 VTC0.06 SAR0.00 SAR
1496467 confirmations8.47584007 VTC96.46 SAR1.70 SAR
5b6267dff29b0bc0981b0d00cd3306cb71b581be5ec1eb4889a61bbc4b5dcf51
mined 2600 days 2 hours ago
VuLDjf6yhMuSwUghu8wAJX4hGgJN7ECcdM4.99951200 VTC56.90 SAR1.00 SAR
VyAN7aJAEqm8Dhg17tXWDHbcUqRCxq4ePp0.05081111 VTC0.58 SAR0.01 SAR
VxLGHk7mJm96SSNKr9hnHpHMv7K444r8uF513.85747214 VTC5847.85 SAR103.07 SAR
 
3J7rd9qWhinmLcQEy727x76Gpg2PqhncQW518.89262505 VTC5905.16 SAR104.08 SAR→
Vhk9jxkpqwVEMMzDFDBTukUfsgjAS1jgVF0.01000020 VTC0.11 SAR0.00 SAR→
Fee 0.00517000 VTC0.06 SAR0.00 SAR
1496467 confirmations518.90262525 VTC5905.27 SAR104.08 SAR
e3ccc22c1fa9a6cfe69da2773beb6a975b009b85765d458a9ba5f25cfcbe47e1
mined 2600 days 2 hours ago
Vptm9ABAEgLsY5myx7oMdgoGxPTBFNQR9i0.03475360 VTC0.40 SAR0.01 SAR
VfqnNx2rDSj4mqNtWU9A4HSM96Qd3bs6ty10.24867259 VTC116.63 SAR2.06 SAR
 
Vt2W75Q3L3zjcJuwMvjnYWHq7tJsjie9330.01000019 VTC0.11 SAR0.00 SAR→
Vmc54aWiD48DN7Q8iKT641nQmJuFmmmAk610.26969600 VTC116.87 SAR2.06 SAR→
Fee 0.00373000 VTC0.04 SAR0.00 SAR
1496467 confirmations10.27969619 VTC116.99 SAR2.06 SAR
598d302fb5fa7be7381ccb5f8c5b9878e55c3d5d3308210f976531478e92aab9
mined 2600 days 2 hours ago
VxGD87ihiD9pr29pMFqkQFbeFt28zWjn9t4.89235755 VTC55.68 SAR0.98 SAR
 
VkCRZSbZdYDE9zJJcRKYoQYtqEm5CGsPKt4.89135755 VTC55.67 SAR0.98 SAR→
Fee 0.00100000 VTC0.01 SAR0.00 SAR
1496467 confirmations4.89135755 VTC55.67 SAR0.98 SAR
6b23532928b5374c9ffd193ec3721c84c261acdabbfede66ac2189169631a0c6
mined 2600 days 2 hours ago
VhP67qCMcWtVnohzwUjxMb7mLB5BaeLYH41559.03916996 VTC17742.34 SAR312.70 SAR
 
Va63LXhKNMHy9Y13GK2uX93CsNR4R2mwco559.03816900 VTC6362.02 SAR112.13 SAR→
VwJjyAWSpW3k4f1GnJnyaPRdR73EyqoXnu1000.00000000 VTC11380.30 SAR200.57 SAR→
Fee 0.00100096 VTC0.01 SAR0.00 SAR
1496467 confirmations1559.03816900 VTC17742.33 SAR312.70 SAR
b9967d2db45ec35a7135030a05729f92365b9bb6972ab58792829cf72d4171d4
mined 2600 days 2 hours ago
Vw8RH7HkHTGXjcr3xq2y5vX81cjscrs7G90.99900000 VTC11.37 SAR0.20 SAR
VtiU3AkiRAm1GePcNw9NeKRmPf9CfS9Zkz0.77743326 VTC8.85 SAR0.16 SAR
 
VgnbRDqssnJLw3tCiEz58zA4ZKNGCqbeWq1.77533326 VTC20.20 SAR0.36 SAR→
Fee 0.00110000 VTC0.01 SAR0.00 SAR
1496467 confirmations1.77533326 VTC20.20 SAR0.36 SAR
50c3466dbe39f59d72a4d6ada9310da1f38b045757eee698c9da335f53480cab
mined 2600 days 2 hours ago
VstV2e4PaUU6LE8AkcyjpeGA18mg7N28c375.30102464 VTC856.95 SAR15.10 SAR
Vroe56WGCHgkPG9R1qsezE6kV2QXEPXHEL98.18493488 VTC1117.37 SAR19.69 SAR
 
ViSqE3Pra7ME38cSj642h9YH3hqNq4p6mB100.00000000 VTC1138.03 SAR20.06 SAR→
Vta56bDrMWQkMpKLtNGfh4msisek3HbDNj73.48495952 VTC836.28 SAR14.74 SAR→
Fee 0.00100000 VTC0.01 SAR0.00 SAR
1496467 confirmations173.48495952 VTC1974.31 SAR34.80 SAR
fdf6f2ee0e1069e65f766e29f712de11c67453c0e679819dccb12f37354b4d64
mined 2600 days 2 hours ago
VjyD7j3fLuBCj5AwStfbyvu8EvKprSMEzH149.99977400 VTC1707.04 SAR30.09 SAR
VbUVti4r6G7J6Sn4DhNgEhcYzdEQfTgdZf0.07572517 VTC0.86 SAR0.02 SAR
Vq3bEQdZH9PYuKLtPepztie96Q1nxo59Qs49.99903600 VTC569.00 SAR10.03 SAR
Vq3bEQdZH9PYuKLtPepztie96Q1nxo59Qs49.99903800 VTC569.00 SAR10.03 SAR
Vq3bEQdZH9PYuKLtPepztie96Q1nxo59Qs49.99889100 VTC569.00 SAR10.03 SAR
Vq3bEQdZH9PYuKLtPepztie96Q1nxo59Qs49.99933100 VTC569.01 SAR10.03 SAR
Vq3bEQdZH9PYuKLtPepztie96Q1nxo59Qs49.99889100 VTC569.00 SAR10.03 SAR
Vq3bEQdZH9PYuKLtPepztie96Q1nxo59Qs49.99889100 VTC569.00 SAR10.03 SAR
Vq3bEQdZH9PYuKLtPepztie96Q1nxo59Qs49.99904671 VTC569.00 SAR10.03 SAR
Vq3bEQdZH9PYuKLtPepztie96Q1nxo59Qs49.99874234 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900847 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99894520 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99913142 VTC569.01 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99905573 VTC569.00 SAR10.03 SAR
VuLo9yxFSWoScNDszgRFPCZ4nfxWv1jF3v49.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99905573 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99899998 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900002 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99870518 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900182 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VuLo9yxFSWoScNDszgRFPCZ4nfxWv1jF3v49.99900003 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99905374 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99905374 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99899864 VTC569.00 SAR10.03 SAR
VuLo9yxFSWoScNDszgRFPCZ4nfxWv1jF3v49.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99878755 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99882453 VTC569.00 SAR10.03 SAR
VuLo9yxFSWoScNDszgRFPCZ4nfxWv1jF3v49.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900847 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99899999 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VuLo9yxFSWoScNDszgRFPCZ4nfxWv1jF3v49.99900002 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99894392 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VuLo9yxFSWoScNDszgRFPCZ4nfxWv1jF3v49.99900004 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99905335 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99905374 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99905573 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99905573 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900999 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99900000 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99885231 VTC569.00 SAR10.03 SAR
VrKeoZVdDeGxFxsQJ7tT8qkN5tc2wmJYA749.99905573 VTC569.00 SAR10.03 SAR
 
VuqXupm8mqXs492kypVdAioWYsJNZVpaJ60.01000002 VTC0.11 SAR0.00 SAR→
VtuGhSexo7utD7mVnmzZ9N1M4PwA3CUetJ2999.99900000 VTC34140.90 SAR601.72 SAR→
Fee 0.00907700 VTC0.10 SAR0.00 SAR
1496467 confirmations3000.00900002 VTC34141.01 SAR601.72 SAR
10093a7c6259f63b2290bb8f93dff32ac3ac37ad969fa9c5fb22d23163f9b118
mined 2600 days 2 hours ago
VrWNbwszS47ycxfPJQLCJRAarakgC4TZCR100.00000000 VTC1138.03 SAR20.06 SAR
 
VnmQN3zDVL3UohtiaiSxhp76v9CGFqH4Rf16.26924741 VTC185.15 SAR3.26 SAR→
VdVgnT2b6LXC5vKsFXZRsanCdMap35fiA883.73052064 VTC952.88 SAR16.79 SAR→
Fee 0.00023195 VTC0.00 SAR0.00 SAR
1496467 confirmations99.99976805 VTC1138.03 SAR20.06 SAR
8561bf7044341cb826f7c7f389a7082482cda6a5f13a5dbecf8e813a772c5b3a
mined 2600 days 2 hours ago
VjcdVKteUuAXFfRQCQNQcrkcWtZXF9Vw667731.21694412 VTC87983.59 SAR1550.68 SAR
 
VdcJyFJiW9aSjkZ3dx7g381AquWKiWrkeT116.33447190 VTC1323.92 SAR23.33 SAR→
VmXdxHw33pUALv6LVPUdNS1SfXghfsQZbK7614.88224027 VTC86659.66 SAR1527.35 SAR→
Fee 0.00023195 VTC0.00 SAR0.00 SAR
1496467 confirmations7731.21671217 VTC87983.58 SAR1550.68 SAR
3605fef55c6a42b4631bcfc6716c1d64c855450476ae416a7e749c6999601b68
mined 2600 days 2 hours ago
Ver2VxHkpwwKpgbESLGK5bLNKnr9DQRVhi18.31825573 VTC208.47 SAR3.67 SAR
 
VucUJSL6j6ZmMskgD4StnnYnMYv8F2tp7D17.61456186 VTC200.46 SAR3.53 SAR→
Vaks2cVBYnAwg71zG7DQ7C923CKcYfkf2K0.70346192 VTC8.01 SAR0.14 SAR→
Fee 0.00023195 VTC0.00 SAR0.00 SAR
1496467 confirmations18.31802378 VTC208.46 SAR3.67 SAR
cce119ec266cce10584c84adf203ae8f88dd8d133458395834e69e66c60fc4f1
mined 2600 days 2 hours ago
Vw46HCMTkRRZx2io6cmMYUhf88VizaMy7e6.48158773 VTC73.76 SAR1.30 SAR
 
VxPpAV39AKf73FYJX1ZuGk3eVupVnn2Zu33.29940960 VTC37.55 SAR0.66 SAR→
VoZzPhLVyV6Kq2dwZ3hpbM8CxGxtQftXJi3.18194618 VTC36.21 SAR0.64 SAR→
Fee 0.00023195 VTC0.00 SAR0.00 SAR
1496467 confirmations6.48135578 VTC73.76 SAR1.30 SAR
210f95dcf49eac1bed7210388ea98d38ff82a6b44c4a0839fe31b80124144b51
mined 2600 days 2 hours ago
VcG97KMtuLuNf75CFxSDZ53k3qia9Q5L7e0.54398910 VTC6.19 SAR0.11 SAR
VfPMn6f2rPgvpAKpnnf3pfu9KqN6AAwcjH0.57506124 VTC6.54 SAR0.12 SAR
VdxnaVvPgSAfur38aa3Nrj6vK2WZxXaqEn0.01827134 VTC0.21 SAR0.00 SAR
Vqn5FhtsZ7sF7N5Y2nma9uqiqxRmLRJMGj7.36527815 VTC83.82 SAR1.48 SAR
 
Va7MgmDHJwGW3WXrTr2Z8dJskHzxX9LuDL0.01607321 VTC0.18 SAR0.00 SAR→
VszxZoZBymv9LgzopAsMeYbXpU4Dz62Xio8.48584000 VTC96.57 SAR1.70 SAR→
Fee 0.00068662 VTC0.01 SAR0.00 SAR
1496467 confirmations8.50191321 VTC96.75 SAR1.71 SAR
3f3f736f08f669ecc5c1c548d007c1590b6632c05b361cab1c546417eb4c0165
mined 2600 days 2 hours ago
Vmc54aWiD48DN7Q8iKT641nQmJuFmmmAk619.97992700 VTC227.38 SAR4.01 SAR
 
VqH7zusAbn5RZWn9hVtGHcgoAuim9nqmER9.68999905 VTC110.28 SAR1.94 SAR→
VeXJvH8MBtFRVPQfFMkMMDNoD1m83BuMvf10.28969600 VTC117.10 SAR2.06 SAR→
Fee 0.00023195 VTC0.00 SAR0.00 SAR
1496467 confirmations19.97969505 VTC227.37 SAR4.01 SAR
e7c9243192a05b65af1e3f0d5085f61c058f58a9668090189f1636fc7f7c3ed2
mined 2600 days 2 hours ago
VwK1BLzjBDLRXftUVYHVsREfpeNJX5N9mK100.00000000 VTC1138.03 SAR20.06 SAR
 
VxxefjrSgqnvtzYt5J9fMXRvYWJDAf2sg919.26002935 VTC219.18 SAR3.86 SAR→
VmbXWKiKdDBZUBJdmsfPewFUPU8tpmnqkJ80.73973870 VTC918.84 SAR16.19 SAR→
Fee 0.00023195 VTC0.00 SAR0.00 SAR
1496467 confirmations99.99976805 VTC1138.03 SAR20.06 SAR
7fee293114fd64e8deaaec7ffb42c8dd41149f2986dad4e6f5e3511faa35aa51
mined 2600 days 2 hours ago
Vdp1Qpy1VtsnZiHi8QfXWz97DqweTEYyn14.93820484 VTC56.20 SAR0.99 SAR
 
VtieXMJTdYr1VdPwEXHcHTEHZDbrwPodvm2.01176710 VTC22.89 SAR0.40 SAR→
VxJ2RWiC1CnZDmFLEf7wgS5L3afWQ6kD8a2.92620682 VTC33.30 SAR0.59 SAR→
Fee 0.00023092 VTC0.00 SAR0.00 SAR
1496467 confirmations4.93797392 VTC56.20 SAR0.99 SAR
57570f919a4182a3a3d1e2c14805e7abda00d45c517dfa7ab4643eeea28cd1e5
mined 2600 days 2 hours ago
ViA9eX2WQ91aTmZ786hyxM95UVrmygGGXg0.08000000 VTC0.91 SAR0.02 SAR
ViA9eX2WQ91aTmZ786hyxM95UVrmygGGXg1.98000000 VTC22.53 SAR0.40 SAR
ViA9eX2WQ91aTmZ786hyxM95UVrmygGGXg197.88000000 VTC2251.93 SAR39.69 SAR
 
3NE6eqwNwR4MavE4SREaroH1VrwThnwJxL199.93941900 VTC2275.37 SAR40.10 SAR→
Fee 0.00058100 VTC0.01 SAR0.00 SAR
1496467 confirmations199.93941900 VTC2275.37 SAR40.10 SAR
beb7aa324ef436d934b4d623a5e78c06167a267f87e1f9e5fb9b9fbae7917a91
mined 2600 days 2 hours ago
VjJqtK5mMAWGSbKzKNrEstfMr697axaSfo15.98000000 VTC181.86 SAR3.21 SAR
 
VktBjnvVaQuCNQxfckyQ6ZucPwFewgThYq0.00328000 VTC0.04 SAR0.00 SAR→
Vw3JcaSxous1ACmrTPy7UvYKMrVhGAE6Fm15.97649400 VTC181.82 SAR3.20 SAR×
Fee 0.00022600 VTC0.00 SAR0.00 SAR
1496467 confirmations15.97977400 VTC181.85 SAR3.21 SAR