Also known as
  • ε-δ
  • Epsilon-Delta
  • e-d

Website: http://www.epsilon-delta.xyz/

Website: http://epsilondelta.hatenablog.jp/

Website: http://www.npca.jp/

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the weakest team all over the world

Participated in CTF events

Overall rating place: 291 with 35.201 pts in 2015

Country place: 26

PlaceEventCTF pointsRating points
31CSAW CTF Qualification Round 20155110.000031.086
56HackIM 20153700.00004.115

Overall rating place: 38 with 273.329 pts in 2014

Country place: 3

PlaceEventCTF pointsRating points
579447 Security Society CTF 2014747.00004.811
50Hack.lu CTF 20142396.000020.294
91Sharif University CTF 2014940.00005.176
55CSAW CTF Qualification Round 20143560.000024.620
100HITCON CTF 2014556.00003.478
39Pwnium CTF 20141836.00009.029
31DEF CON CTF Qualifier 201419.000037.801
272ASIS CTF Quals 20141.00000.061
73PlaidCTF 2014791.00008.835
69Nuit du Hack CTF Quals 2014700.00009.469
123VolgaCTF 2014 Quals100.00000.513
36backdoorCTF 20141920.000018.639
13RuCTF Quals 20145510.000040.511
88Boston Key Party CTF 2014200.00002.884
39Codegate CTF Preliminary 20141550.000021.486
62Olympic CTF Sochi 2014430.00005.882
28PHD CTF Quals 201427300.000024.861
30HackIM 20143300.00004.564
49Ghost in the Shellcode 2014775.000015.562
2Break In 20146700.000014.853

Overall rating place: 44 with 258.544 pts in 2013

Country place: 3

PlaceEventCTF pointsRating points
1630C3 CTF2350.000036.949
19RuCTF 2013267.47403.719
6CSCAMP CTF Quals 20134240.00005.471
5No cON Name CTF Finals 20134312.00000.000
39Hack.lu CTF 20131963.000032.674
26Sharif University CTF 20132280.000010.576
33CSAW CTF Qualification Round 20136300.000031.944
15ASIS CTF Finals 20131310.00008.654
38EBCTF 20131200.000020.526
26UFO CTF 2013575.00004.320
17DIMVA CTF 2013850.00009.676
23SIGINT CTF 20131500.000014.469
79DEF CON CTF Qualifier 201326.000032.339
19Boston Key Party CTF 20131400.000015.251
87SECUINSIDE CTF Quals 2013900.00009.343
174BaltCTF Quals 20130.00000.000
301PlaidCTF 20130.00000.000
132ForbiddenBITS CTF 2013150.00001.635
87Nuit du Hack CTF Quals 2013101.00002.075
129RuCTF Quals 2013100.00001.235
96Codegate CTF Preliminary 2013800.00009.840
50HackIM 20133500.00007.847

Overall rating place: 319 with 22.160 pts in 2012

Country place: 7

PlaceEventCTF pointsRating points
29ATAST CTF 20121250.00000.000
7429c3 CTF200.00002.716
87PoliCTF 2012100.00001.241
187Hack.lu CTF 2012200.00002.445
174CSAW CTF Qualification Round 20123300.000015.759

Team members