Block

913400
000000000000000000019987a89bada612ec70cde69c7f34499dd2f58a4f2805
Transactions4461
Height913400
Confirmations42537
Timestamp296 days 4 hours ago
Size (bytes)1699304
Version537509888
Merkle Rootf5d05f22e1603837f84d1a203f32774777538c0cd8de815bd6b46869f6609050
Nonce4059338721
Bits170211ac
Difficulty136039872848261.3

Transactions

1dba0f8ba69fc35ddea3d33599241f61ea698705f5a0e2151dc1ef3619a3ec60
mined 296 days 4 hours ago
bc1q0d3q3yyxc3k9qpmekjzaxyzmjn0dmvv7pqgaj4rfe0cw9z2u4xtsfh9d4w←0.00009648 BTC13.67 SGD7.48 SGD
 
1qVbFeD38VobNKdXn91nGRtxXHzcJ2QZS0.00009416 BTC13.34 SGD7.30 SGD→
Fee 0.00000232 BTC0.33 SGD0.18 SGD (1.65 sat/vByte)
42537 confirmations0.00009416 BTC13.34 SGD7.30 SGD
d71138330d74d19c61ca9fd7c82cd87792aeb38ead691ea4253a844d0f90600f
mined 296 days 4 hours ago
bc1q2auvw8n6wulrru46ppluv9tz7hflekmegmc7zt5zzd4zkf5d05gqsk7e9f←0.00014795 BTC20.96 SGD11.47 SGD
 
1PXUCaJrq9nnE3AhRgTZghqVxFXJxHe53H0.00014564 BTC20.63 SGD11.30 SGD→
Fee 0.00000231 BTC0.33 SGD0.18 SGD (1.64 sat/vByte)
42537 confirmations0.00014564 BTC20.63 SGD11.30 SGD
01fd2818330dff358257330075a32d2c724264714e5f89bd8c0f7c7d63c49f99
mined 296 days 4 hours ago
bc1qw37rr3jpj6v0pe2336c7dmhey7xe4sftadv3se←0.00127090 BTC180.01 SGD98.56 SGD
bc1q0qljnzx7yasnl9x9hm224z7m87mvqs2aswncyp←0.16722000 BTC23685.18 SGD12968.75 SGD
 
bc1qxjnt559mgec6pwhfpdxt4ey4ghhd3pj9ww646t0.00126880 BTC179.71 SGD98.40 SGD→
bc1q3z2k4a06wp037vefluxgez3wl2rt6z0r050q0j0.16721870 BTC23685.00 SGD12968.65 SGD→
Fee 0.00000340 BTC0.48 SGD0.26 SGD (1.63 sat/vByte)
42537 confirmations0.16848750 BTC23864.71 SGD13067.05 SGD
591d06c1402d31d4805bc42750831826ba5ae42cc9a7afa24388b92c048b7cd9
mined 296 days 4 hours ago
bc1qnsupj8eqya02nm8v6tmk93zslu2e2z8chlmcej←1.58146584 BTC224000.16 SGD122650.58 SGD
 
1HunVyPMyoNU76ioLvsNSiKsspKuRu7nxc0.02915700 BTC4129.82 SGD2261.27 SGD→
bc1qnsupj8eqya02nm8v6tmk93zslu2e2z8chlmcej1.55230651 BTC219870.00 SGD120389.13 SGD→
Fee 0.00000233 BTC0.33 SGD0.18 SGD (1.62 sat/vByte)
42537 confirmations1.58146351 BTC223999.83 SGD122650.40 SGD
1f81be1fd1221c215fff6c001c265ccd19bff8c068d95d9dff3ea3c8cbb6476d
mined 296 days 4 hours ago
bc1qf3jg9m6lsl6pq4qpm45gyc50qs39eydcpgw37p←0.03207576 BTC4543.24 SGD2487.64 SGD
 
bc1qmnvszupcss0td05x88en0cuynuplk03nnur034sphx52ymrdjnps94evpc0.00024976 BTC35.38 SGD19.37 SGD→
bc1q7ajtsegp3cdxg9wm5vttmt29jak7rgu7zz526e0.03182424 BTC4507.61 SGD2468.13 SGD→
Fee 0.00000176 BTC0.25 SGD0.14 SGD (1.15 sat/vByte)
42537 confirmations0.03207400 BTC4542.99 SGD2487.50 SGD
cf26b5d605c4ed809a4a75e0bf0ee2d20121b37ac89d862e583f41cf84d63b8d
mined 296 days 4 hours ago
bc1qmnvszupcss0td05x88en0cuynuplk03nnur034sphx52ymrdjnps94evpc←0.00024976 BTC35.38 SGD19.37 SGD
 
bc1pdgz8tmv79yktes7a7yds4qpdr5nh7aajahkju9tjmnld3jc48c2suvx66k0.00024630 BTC34.89 SGD19.10 SGD→
Fee 0.00000346 BTC0.49 SGD0.27 SGD (2.01 sat/vByte)
42537 confirmations0.00024630 BTC34.89 SGD19.10 SGD
eb97b6a1ef9a6e2fb15555483cd098c9f3e6505f93a52dfc976ea20470013902
mined 296 days 4 hours ago
bc1q9yqwxll2z9p50wut60nwxqxxey7ccjnw9fg7nj←0.00266785 BTC377.88 SGD206.91 SGD
 
bc1qw5qj085rvf6jqjhdgdcaydmkz4klwh8awymngr0.00111107 BTC157.37 SGD86.17 SGD→
bc1qwq8gpdn5ys2aaggl9gzms4v37sl9khj3pzv96l0.00155452 BTC220.18 SGD120.56 SGD→
Fee 0.00000226 BTC0.32 SGD0.18 SGD (1.60 sat/vByte)
42537 confirmations0.00266559 BTC377.56 SGD206.73 SGD
5152304162b6a1a06a4b531212970f45c9d4803e9134f836dddca86c2196a346
mined 296 days 4 hours ago
bc1qx4803krv8vng699775gvvemwyyhqfpf86us7lx←0.00167230 BTC236.87 SGD129.70 SGD
 
bc1qym0jlpwtqk50xtf0gfesadmwf2y64dxfygwa6y0.00031166 BTC44.14 SGD24.17 SGD→
bc1qhf74ha6lsquk8ttaa84rwg3m4d4tdunk9vpkwm0.00135838 BTC192.40 SGD105.35 SGD→
Fee 0.00000226 BTC0.32 SGD0.18 SGD (1.60 sat/vByte)
42537 confirmations0.00167004 BTC236.55 SGD129.52 SGD
c794cb6e5ea2ea72a0c5bad122732fac78c8fa027fb0a890285cd1bba3018dff
mined 296 days 4 hours ago
bc1q3nd78eh8y4k3nrkmdusy2l47t8wdy3cquug4aq←0.03581931 BTC5073.48 SGD2777.97 SGD
 
35bw9fTQYcBA4a98653f2LNdqt27mAdLZh0.01182949 BTC1675.54 SGD917.44 SGD→
bc1q9nat99p8g2r8hy358y7kp0g7t7tch4v6n96phs0.02398755 BTC3397.62 SGD1860.35 SGD→
Fee 0.00000227 BTC0.32 SGD0.18 SGD (1.60 sat/vByte)
42537 confirmations0.03581704 BTC5073.16 SGD2777.79 SGD
946a8b644b7ebd531aebf797335153338cc24fea18548de6b054b7541dbdd843
mined 296 days 4 hours ago
bc1qrnwa6fv4sa23yvnlr96hrrxulhqa8xtjfjek4v←0.72293952 BTC102397.76 SGD56067.57 SGD
 
1CstLRsnKhWKN8J1DsvbYQ2yGRbXz5ZKTp0.01985301 BTC2812.00 SGD1539.70 SGD→
bc1qzampxlskwad73msc3jjpq84v23ssdg5w52yr8q0.70308421 BTC99585.44 SGD54527.70 SGD→
Fee 0.00000230 BTC0.33 SGD0.18 SGD (1.60 sat/vByte)
42537 confirmations0.72293722 BTC102397.44 SGD56067.40 SGD
ba3d462329cbeeeaff1088cf2780723856878b8a1957b69b273d73e049fd3c66
mined 296 days 4 hours ago
bc1qdnsch8hgeph2rxwm2ge8d2nnftqpsm6sgd2lxr←0.03455971 BTC4895.07 SGD2680.28 SGD
 
18hyVzgbX4yqKRDnDrXoUEjFgEy8J6hTyp0.00055588 BTC78.74 SGD43.11 SGD×
bc1qsfx9kl4pvptm666xuf94dx9e3gr0k36fa539tt0.03400153 BTC4816.01 SGD2636.99 SGD→
Fee 0.00000230 BTC0.33 SGD0.18 SGD (1.60 sat/vByte)
42537 confirmations0.03455741 BTC4894.74 SGD2680.10 SGD
42dd954e55aeb9e57f443b6f5edfcbf6d2cd33ead155d4854a8f61b15fa16826
mined 296 days 4 hours ago
bc1qs73c4mkwq7a5qvtyv3xxgafr2p0jcfhapw9ap0←0.00313748 BTC444.40 SGD243.33 SGD
 
37bgDEunJdgNrhvq4hTrLLqbaQMAXumxyi0.00000594 BTC0.84 SGD0.46 SGD→
33oFTuT5Zv6JK7wDhR3yuutdzyHKssRzLi0.00312928 BTC443.23 SGD242.69 SGD→
Fee 0.00000226 BTC0.32 SGD0.18 SGD (1.58 sat/vByte)
42537 confirmations0.00313522 BTC444.08 SGD243.15 SGD
59ef6425f22fd49738c2ca0fdb2f3e7eff88138a88aa03191e2514fc8357575b
mined 296 days 4 hours ago
bc1qer5e3zf657jvdln49ldfp7uy50stcqt6nyd0xc←0.00778935 BTC1103.29 SGD604.10 SGD
bc1q6dkcmj9qu89tjvrevlf8r5eyzj6uw0jd63dxzh←0.01806224 BTC2558.35 SGD1400.82 SGD
 
bc1q9e09wuu0nqmwrzalrgh3qq3vr7fyjfgj7urup50.00778608 BTC1102.83 SGD603.85 SGD→
bc1qzz2k0e6dskllmck22krllu3ku8w0xesk2w27qu0.01806224 BTC2558.35 SGD1400.82 SGD→
Fee 0.00000327 BTC0.46 SGD0.25 SGD (1.57 sat/vByte)
42537 confirmations0.02584832 BTC3661.18 SGD2004.67 SGD
7a4f0b31949416bedf09c0ba19420fba11d45328713fabdeff49130e288fc106
mined 296 days 4 hours ago
bc1q5dpf59fy7xhr98v9c2ng05y9csgjpqkmcknwdy←0.00903000 BTC1279.02 SGD700.32 SGD
 
bc1qjr2zgtqq6z0q05xt48f8scf78udlnpp45a6gf50.00902828 BTC1278.77 SGD700.19 SGD→
Fee 0.00000172 BTC0.24 SGD0.13 SGD (1.56 sat/vByte)
42537 confirmations0.00902828 BTC1278.77 SGD700.19 SGD
93bbcfd8c9ed36225d74678681f5d10e6d88f13dca0fd5feb5096bc5fa21a823
mined 296 days 4 hours ago
bc1qltadtmssn2k0sj6htkptqg5zc02jkz69zejrgv←0.00451235 BTC639.13 SGD349.96 SGD
 
bc1qjr2zgtqq6z0q05xt48f8scf78udlnpp45a6gf50.00451063 BTC638.89 SGD349.82 SGD→
Fee 0.00000172 BTC0.24 SGD0.13 SGD (1.56 sat/vByte)
42537 confirmations0.00451063 BTC638.89 SGD349.82 SGD
89c7b0cf3ccb60a6ebe337c48ad879c549e9077a696a286d8d547b321be4f13c
mined 296 days 4 hours ago
bc1qjeuw2sr06em4s02520yleyqrryqkhrgpmzr88h←0.00336497 BTC476.62 SGD260.97 SGD
 
bc1qjr2zgtqq6z0q05xt48f8scf78udlnpp45a6gf50.00336325 BTC476.37 SGD260.84 SGD→
Fee 0.00000172 BTC0.24 SGD0.13 SGD (1.56 sat/vByte)
42537 confirmations0.00336325 BTC476.37 SGD260.84 SGD
3941e3038cf5e5d8769f95417ff014b7383d6a97767511cf921e4801cba41dd0
mined 296 days 4 hours ago
bc1qrhrx4g82gnnxjxvcrskkga73ywn9g7c9dk2x65m3mw44uap7wx0q6mntvx←0.88480564 BTC125324.62 SGD68621.10 SGD
 
bc1qnl00fu4a8wnq6zuzlhw7cukhuwklzjgvss3tyw0.00096000 BTC135.98 SGD74.45 SGD→
bc1q6mp48dysnak2selxszdp3wsvepwje8xy5eaupyvdzkp5z5tm8k6q8fdg0p0.88384270 BTC125188.23 SGD68546.42 SGD→
Fee 0.00000294 BTC0.42 SGD0.23 SGD (1.56 sat/vByte)
42537 confirmations0.88480270 BTC125324.20 SGD68620.87 SGD
a87686bc50c316c4507c8c694688c5c607d92c32c83fb47e8a789bbf362c884b
mined 296 days 4 hours ago
bc1qw5snpe9wsuu3fz20us7r3tnxqwr0r3r6e2sxsu7kne7cn2kl0w5qp9t76y←0.52190479 BTC73923.03 SGD40476.33 SGD
 
bc1q3neppjmt4p3fry89fsrmn3t4syx6pdm4hd0wv70.00017323 BTC24.54 SGD13.43 SGD→
bc1qvnaj40a8m9gm6sn8rkv3fhjatx8wlacf4zztvk0.00095917 BTC135.86 SGD74.39 SGD×
bc1qvwwkam4cqus29r9nx23lelxpm6q0vfc9mmrpef6cl054uj33xedq4cc4xw0.52076897 BTC73762.16 SGD40388.24 SGD→
Fee 0.00000342 BTC0.48 SGD0.27 SGD (1.55 sat/vByte)
42537 confirmations0.52190137 BTC73922.55 SGD40476.06 SGD
7a9f057370be1f9e5a2e4f51c08fbd24d707d0ec0e6b107021c30e99bafd4cb5
mined 296 days 4 hours ago
39BYDcVQWM5zgtqtQtcY74z1TFZXgR5g9j←0.00799000 BTC1131.71 SGD619.66 SGD
 
bc1qpaeflyae5czvqpa9sqzr42hmyeyfj43y0nms620.00008123 BTC11.51 SGD6.30 SGD×
bc1q8c6ekqhaa777h0l0y8n0ea4tctjg35ntrel59t333l8rr8ttz9qszwxswy0.00790529 BTC1119.71 SGD613.09 SGD→
Fee 0.00000348 BTC0.49 SGD0.27 SGD (1.55 sat/vByte)
42537 confirmations0.00798652 BTC1131.22 SGD619.39 SGD
d71667cd5b26eacfa8b7a3a84ada75b3a2f69323793c42f800994adeee74bc03
mined 296 days 4 hours ago
bc1qw4ktc36kjt84p3j6f22w57tpjxyvg3a559chwpwfwy3jdyaz8rnsrnwm9f←0.00044332 BTC62.79 SGD34.38 SGD
bc1p6clud02q22w56tl8ju0m3xgrdw4rja5g9rtqmjncjreu2s92pljs4lzc6v←0.00026601 BTC37.68 SGD20.63 SGD
 
bc1qd8uaa9kg04sqm29ctdntdf9fr49pn7qtq3nkvh0.00070635 BTC100.05 SGD54.78 SGD→
Fee 0.00000298 BTC0.42 SGD0.23 SGD (1.53 sat/vByte)
42537 confirmations0.00070635 BTC100.05 SGD54.78 SGD
87643fa22d1a3b5dbc68debb46f96ca27d2d71353c59841c1a8b60eae4d22288
mined 296 days 4 hours ago
bc1qxzj4zqp4nl9kdh3l3txs5aatz5v0tvucewrwy2s6wrexgyh97mpsqhj4vj←0.01010595 BTC1431.42 SGD783.77 SGD
bc1qvmjxkq9s47ug0ad04tac3c95kzklln9knqf800kvydqjswxjqv5sdtgshy←0.00128000 BTC181.30 SGD99.27 SGD
bc1qdefzsa3p0ej3m06lst000ldrc2wphv9yu838e08rknhv3hk3264qwjjm7m←0.00132000 BTC186.97 SGD102.37 SGD
 
bc1qxuxf2pzq0kx54kaaankgr6vhenw6fyegvn4xaw4ajmz8g9pg5jnqvynd7h0.00257151 BTC364.23 SGD199.43 SGD→
bc1qw7kkk75sk4w03c7edfexv6skvzhtc7y96kekpp7geahpl7mtj59qc568hd0.01012823 BTC1434.57 SGD785.49 SGD→
Fee 0.00000621 BTC0.88 SGD0.48 SGD (1.52 sat/vByte)
42537 confirmations0.01269974 BTC1798.80 SGD984.93 SGD
9f426a482ba45e73257d68b6966d6142b919fdb76b0014e7f02ecbffcedaf4c8
mined 296 days 4 hours ago
bc1qxnxqgc07u7u2dttgy47pr3xu5uh8gj0hej5369←0.18834013 BTC26676.65 SGD14606.72 SGD
 
bc1qz5j7g37dsc2eqkq9qkc2z99wzmyjvrxg5ks6th0.04058800 BTC5748.92 SGD3147.80 SGD→
bc1qcy7y8uvhrnzr42ujj8n4dsd27vzwruc957nsu30.14775000 BTC20927.43 SGD11458.75 SGD→
Fee 0.00000213 BTC0.30 SGD0.17 SGD (1.51 sat/vByte)
42537 confirmations0.18833800 BTC26676.35 SGD14606.55 SGD
d459dc1168027218e85fb7532fba3bab133b1fdb3d7c53564234a70a93b0efeb
mined 296 days 4 hours ago
bc1pcwmtfg8yf02d55g22aetytxv0nk4ex2mjwersrlzdjtanpfdphfq7j74u9←0.00000330 BTC0.47 SGD0.26 SGD
bc1pcwmtfg8yf02d55g22aetytxv0nk4ex2mjwersrlzdjtanpfdphfq7j74u9←0.00000330 BTC0.47 SGD0.26 SGD
bc1pcwmtfg8yf02d55g22aetytxv0nk4ex2mjwersrlzdjtanpfdphfq7j74u9←0.00000330 BTC0.47 SGD0.26 SGD
bc1pcwmtfg8yf02d55g22aetytxv0nk4ex2mjwersrlzdjtanpfdphfq7j74u9←0.00000330 BTC0.47 SGD0.26 SGD
bc1pcwmtfg8yf02d55g22aetytxv0nk4ex2mjwersrlzdjtanpfdphfq7j74u9←0.00000330 BTC0.47 SGD0.26 SGD
bc1pcwmtfg8yf02d55g22aetytxv0nk4ex2mjwersrlzdjtanpfdphfq7j74u9←0.00000330 BTC0.47 SGD0.26 SGD
bc1pcwmtfg8yf02d55g22aetytxv0nk4ex2mjwersrlzdjtanpfdphfq7j74u9←0.00000330 BTC0.47 SGD0.26 SGD
 
Unparsed address0 BTC0.00 SGD0.00 SGD×
bc1p0060ln04nx5z8hn633mrx3zt4gmw3slerxkhpr9d8v40yyveqtjqxdttgd0.00000330 BTC0.47 SGD0.26 SGD→
bc1pcwmtfg8yf02d55g22aetytxv0nk4ex2mjwersrlzdjtanpfdphfq7j74u90.00001203 BTC1.70 SGD0.93 SGD×
Fee 0.00000777 BTC1.10 SGD0.60 SGD (1.50 sat/vByte)
42537 confirmations0.00001533 BTC2.17 SGD1.19 SGD
15f0eda82690738d8b23c7e032d89115ad3ab80922beccd2457ef51e9862d387
mined 296 days 4 hours ago
3NZDmS46i7gj9trvMQWaChS4AMP6jniMhW←2.76439562 BTC391551.33 SGD214392.70 SGD
 
bc1qv0whmz7ynq7swq3sc6r227z2m64hzux9syh8rl0.00061669 BTC87.35 SGD47.83 SGD→
bc1q9dvj99hltu77n5j6l6vfn53m9kjm542pvxxpn40.00082812 BTC117.30 SGD64.22 SGD→
bc1qkqzfzl624l7rt87ysf75ldu25u0pxzya4vees30.00088360 BTC125.15 SGD68.53 SGD→
35YBBPphmbhBXLbwVLWaLFZShMgCJXkumF2.71251839 BTC384203.39 SGD210369.36 SGD→
bc1ql0ajg62m0n27ldhydrd2sz9jm2rnsh253ajmc60.00764427 BTC1082.74 SGD592.85 SGD→
bc1qwgydway4s0560gtecktcvlfx0v8cxuwa8phtxn0.00084130 BTC119.16 SGD65.25 SGD→
bc1q239yc4zvuhvngp25pqrqzeuex8rfsr508lp2qz0.00122306 BTC173.24 SGD94.85 SGD→
bc1qdn6sev4y33lv9llv9tmnh8rzwcgcekm7ajhg6n0.02038450 BTC2887.28 SGD1580.92 SGD→
bc1qdjeeaj32822q5vlvrqmstpw0spru9wu8sxmgdq0.00108550 BTC153.75 SGD84.19 SGD→
bc1qhasfrxvlt3jgrga4n4yaa82d9xu3xe8cc2edyj0.00100145 BTC141.85 SGD77.67 SGD×
1LrtNy8RYmbrQJ9nsEH2QYJJD1mERpDebb0.00136742 BTC193.68 SGD106.05 SGD→
bc1q9l8pvnvul9xkczx33vtmw36s50zm7zspvljyc40.00047405 BTC67.14 SGD36.76 SGD→
bc1qu4wgu2uc3ssqc3mhg9lxtyn2ljcd2hp3rjn29l0.00232476 BTC329.28 SGD180.30 SGD→
bc1q5kujlrn0l2txcncfelkg6d6gcjtfslavdpud4v0.00254631 BTC360.66 SGD197.48 SGD→
1GJcxBdtE3fGS15bUbRuH5SkQQ9N4rQPhG0.00963067 BTC1364.10 SGD746.91 SGD→
bc1qmrqu6cfvh792q9jh6l4vy228nu42hc6dk4m5ya0.00101644 BTC143.97 SGD78.83 SGD×
Fee 0.00000909 BTC1.29 SGD0.70 SGD (1.50 sat/vByte)
42537 confirmations2.76438653 BTC391550.04 SGD214392.00 SGD
c98ade869e45418fa0982bb4215e08726e4bd19e9bfeb2d631b0ec5214be7e25
mined 296 days 4 hours ago
bc1q0jrxz4jh59t5qsu7l0y59kpfdmgjcq60wlee3h←1.40997443 BTC199709.97 SGD109350.57 SGD
bc1q0jrxz4jh59t5qsu7l0y59kpfdmgjcq60wlee3h←0.00001069 BTC1.51 SGD0.83 SGD
bc1q6pje4n46yyf93kt06dqds6mdz8qgtwj29ctj5v←0.00169000 BTC239.37 SGD131.07 SGD
bc1q0qn4w53y5ktgd4tngwq8ne8mlc9t5899qpfzys←0.00170000 BTC240.79 SGD131.84 SGD
bc1qt0watxevnydlrn2g0w9ua4tzfjp9xgfcsjmajj←0.00171000 BTC242.21 SGD132.62 SGD
bc1qsdfa8rdwzpe35zxwvv0wykh02w9s90luyrksq0←0.00172000 BTC243.62 SGD133.39 SGD
 
3G3ihGqN9YNAirtcW5n9hQ1zKENnyUXVPT0.00105011 BTC148.74 SGD81.44 SGD×
bc1qxu8xykg872fj36v0zpyv3ml97y7m64n5df75vpwcqhdzfk5hgu0qp6mlvn0.00122511 BTC173.53 SGD95.01 SGD→
bc1qahq0dca2jjgzh88plj0e0apengu3sqmq6cy5tjf27dj8tqdytm5srchchg0.00242111 BTC342.93 SGD187.77 SGD→
bc1qahq0dca2jjgzh88plj0e0apengu3sqmq6cy5tjf27dj8tqdytm5srchchg0.00619712 BTC877.77 SGD480.62 SGD→
12BrDXkS1Mo5FUmdXXE8oj95RcTrrvdfAA0.14499612 BTC20537.37 SGD11245.17 SGD→
bc1q0jrxz4jh59t5qsu7l0y59kpfdmgjcq60wlee3h1.26090588 BTC178595.77 SGD97789.56 SGD→
Fee 0.00000967 BTC1.37 SGD0.75 SGD (1.50 sat/vByte)
42537 confirmations1.41679545 BTC200676.10 SGD109879.57 SGD