Fri, 14 Aug. 2020, 15:00 UTC — Sat, 15 Aug. 2020, 15:00 UTC 

On-line

Crypto CTF event.

Format: Jeopardy Jeopardy

Official URL: https://cr.yp.toc.tf/

This event's future weight is subject of public voting!

Future weight: 36.00 

Rating weight: 24.05 

Event organizers 

Crypto CTF is an online competition for hackers to test, evaluate, and expand their cryptography exploiting skills. In this CTF we will provides various crypto challenges regarding modern cryptography techniques.
All crypto lovers are most welcome
CryptoCTF is a revenge for everlasting complaints by CTF participants about crypto challenges in CTF contests. In this brand new tournament we are trying to provide the crypto lovers with fun and challenging pure crypto tasks to squeeze their heart and test their passion for cryptography.
Each task will be based on a particular cryptographic primitive or it will include a direct application of cryptography in other fields.
The organizers of this tournaments generously offer their skills knowledge to design original Crypto tasks and challenges for similar contests.
Long Live Crypto!

Prizes

TBA

Scoreboard

549 teams total

PlaceTeamCTF pointsRating points
1 hellman 4229.00048.100
2 CryptoHackers 3729.00033.232
3 Black Bauhinia 2843.00024.185
4 CTD Elite 2696.00021.344
5 NDH 2678.00020.040
6 DoritosDominos 2196.00016.497
7 Callipygian Consortium of Cryptography 2196.00015.924
8 namlleh 1452.00011.264
9 HATS Singapore 1445.00010.890
10 The Flat Network Society 1428.00010.526
11 Lurkrul 1393.00010.108
12 Hrenovuha 1385.0009.881
13 STT 1385.0009.726
14 Pwnium 1258.0008.872
15 Made In MIM 1092.0007.813
16 aaanomy 987.0007.116
17 DiceGang 973.0006.948
18 pcw109550 941.0006.688
19 0N1Y_L0Z1K 934.0006.577
20 Killua4564 923.0006.452
21 pwnthem0le 890.0006.207
22 gf128 890.0006.155
23 GRteam 831.0005.771
24 Nupakachi 809.0005.603
25 RooterX 764.0005.307
26 Flagiarism 725.0005.048
27 perfect blue 719.0004.980
28 Daemon Summoners 705.0004.868
29 IQ-toppene 661.0004.588
30 S3v3ru5 635.0004.413
31 cybears 622.0004.313
32 Three_Musketeers 538.0003.811
33 0xN1ghtR1ad 532.0003.754
34 kasiatutej 521.0003.670
35 otrada 521.0003.650
36 TeamCC 515.0003.597
37 parabola0149 515.0003.579
38 Sealcode 510.0003.533
39 /(spin)*s/ 505.0003.489
40 Tasteless 460.0003.217
41 L0ckD0wn 430.0003.032
42 Venom 426.0002.995
43 N30Z30N 426.0002.982
44 d4rkc0de 426.0002.969
45 The Additional Payphones 341.0002.474
46 The WINRaRs 336.0002.434
47 RevEng 334.0002.411
48 w01verines 334.0002.400
49 efiens 334.0002.390
50 ENOFLAG 306.0002.221
51 anemone 306.0002.212
52 Goburin' 295.0002.140
53 Dent 284.0002.069
54 Epic Leet Team 284.0002.060
55 g1v3m3chee53 284.0002.052
56 กʕ•͡ᴥ•ʔ ก 281.0002.027
57 Haus 279.0002.009
58 brainee 279.0002.001
59 whocares 262.0001.898
60 bi0s 251.0001.828
61 m1z0r3 250.0001.816
62 The Northern Coalition 222.0001.650
63 Federation 221.0001.639
64 Armia Prezesa 220.0001.627
65 ****** 200.0001.507
66 lyc 198.0001.490
67 qdtjvszxc 198.0001.485
68 mitsumitsumitsudesuka? 198.0001.480
69 Covid Overflow 198.0001.475
70 drogon 198.0001.470
71 corpsfini 195.0001.448
72 the3000 194.0001.437
73 UdagawaWhiteBears 194.0001.433
74 watevr 194.0001.428
75 noraneco 194.0001.424
76 Se_P3t 143.0001.130
77 Blue Hens 143.0001.126
78 iCarramba 143.0001.122
79 UMDCSEC 143.0001.118
80 I luv sice 143.0001.114
81 L3m0n41r3_15_cute 143.0001.110
82 Mayas 143.0001.107
83 Fep 143.0001.103
84 RGBsec 139.0001.077
85 crypton00b 114.0000.931
86 arkoudeides 114.0000.928
87 ZeroMemory 108.0000.891
88 Bat Squad 108.0000.887
89 Valerich 108.0000.884
90 SWV_L 108.0000.881
91 Red Cadets 108.0000.878
92 WE_0WN_Y0U 108.0000.876
93 Orion_square 108.0000.873
94 inSmartCard 108.0000.870
95 Shonan 108.0000.867
96 Wani Hackase 108.0000.865
97 RPISEC 108.0000.862
98 CSI 108.0000.860
99 n4ri 108.0000.857
100 Lancet 108.0000.855
101 0x90r00t 108.0000.852
102 1nteger_c 108.0000.850
103 TSG 108.0000.848
104 VN_MSEC 108.0000.845
105 SolarRecordingInc 108.0000.843
106 CTF.SG 108.0000.841
107 Scepter 108.0000.839
108 KehKeLenge 108.0000.837
109 IIT(BHU)CyberSec 108.0000.835
110 Little Twoos 108.0000.833
111 RougeNoir 108.0000.831
112 yamiza 108.0000.829
113 MATE 108.0000.827
114 D@T@C0RrUpT10# 108.0000.825
115 XMN0FF 108.0000.823
116 N0N@me13 108.0000.822
117 CopiiDeLa402 108.0000.820
118 iust 79.0000.653
119 OpenToAll 53.0000.504
120 conpancakee 53.0000.502
121 mikoan 53.0000.500
122 FWEASD 53.0000.499
123 nononovak 53.0000.497
124 cpls 53.0000.495
125 bitcoin down the drain 53.0000.494
126 Liny Tail 53.0000.492
127 ByteForc3 53.0000.491
128 W3rni0 53.0000.489
129 Sieberrsec 53.0000.488
130 UNG CyberHawks 53.0000.486
131 upbhack 53.0000.485
132 YoloCrypto 53.0000.484
133 dnzc 53.0000.482
134 3 Prongs And a Computer 53.0000.481
135 ronen8231 53.0000.480
136 Makel 53.0000.478
137 Leofwin 53.0000.477
138 #StayFocused=) 53.0000.476
139 nitrow 53.0000.474
140 RPCA Cyber Club 53.0000.473
141 PawnKriegz 53.0000.472
142 secsyst 53.0000.471
143 BadAtCrypt0 53.0000.470
144 U+1F966 53.0000.468
145 OrderofShadows 53.0000.467
146 yquic 53.0000.466
147 Royal Flush 53.0000.465
148 solo_yadon 53.0000.464
149 L3H Sec 53.0000.463
150 APA Razi 53.0000.462
151 CSUI 53.0000.461
152 bktoantin 53.0000.460
153 PengabdiCipher 53.0000.459
154 f00ls 53.0000.458
155 GMO_Goat 53.0000.457
156 p0x82s 53.0000.456
157 fernetInjection 53.0000.455
158 Rogue Waves 53.0000.454
159 HgbSec 53.0000.453
160 Terminox 53.0000.452
161 VD 53.0000.451
162 0x54 53.0000.450
163 d1v1de 53.0000.449
164 d4 53.0000.448
165 Mail.ru 53.0000.447
166 onemanarmy 53.0000.446
167 ri5e 53.0000.445
168 feignix 53.0000.445
169 newbee 53.0000.444
170 SaqalaTeam 53.0000.443
171 Sky2Pwn 53.0000.442
172 None 53.0000.441
173 dcua 53.0000.440
174 noobsinpredicament 53.0000.440
175 @1PH4 53.0000.439
176 cxp 53.0000.438
177 Hackuna 53.0000.437
178 yulin 53.0000.437
179 Noobies 53.0000.436
180 DERPA 53.0000.435
181 lone player 53.0000.434
182 2hackers1keyboard 53.0000.434
183 Can Introverts Be Happy in a World That Can't Stop Talking? 53.0000.433
184 n0_pwn1c 53.0000.432
185 InfoSecIITR 53.0000.431
186 luibo 53.0000.431
187 SenpaiLove 53.0000.430
188 F055il215 53.0000.429
189 Rairosu 53.0000.429
190 dragon hoard 53.0000.428
191 HackEsc 53.0000.427
192 prequantumers 53.0000.427
193 P&K 53.0000.426
194 im_nothing 53.0000.425
195 Modern Bytes 53.0000.425
196 bobby 53.0000.424
197 testtest 53.0000.423
198 infuzion 53.0000.423
199 Corax 53.0000.422
200 N0p 53.0000.422
201 DeReversingMami 53.0000.421
202 vegctrp 53.0000.420
203 dadoctor 53.0000.420
204 noob-atbash 53.0000.419
205 SPRAVEDLIVAЯ RUSH A 53.0000.419
206 TeamBuho 53.0000.418
207 0lfact0ry 53.0000.418
208 The Core 53.0000.417
209 4k3l4rr3 53.0000.416
210 robzom 53.0000.416
211 DanTeTeam 53.0000.415
212 RFGHOST 53.0000.415
213 grammofån 53.0000.414
215 hanemile 53.0000.413
216 alpha 53.0000.413
217 sookhaTeeshu 53.0000.412
218 StronkSecurity 53.0000.412
219 LeetLeech 53.0000.411
220 CryptCats 53.0000.411
221 Ahimsa 53.0000.410
222 D3C3p71C0N$ 53.0000.410
223 luis.sanchez 53.0000.409
224 Hackuna Alpha 53.0000.409
225 randomteam 53.0000.408
226 LeBarbareSoft 53.0000.408
227 Avengers 53.0000.407
228 Joon 53.0000.407
229 Black Knights 53.0000.406
230 TLE 53.0000.406
231 yz765 53.0000.406
232 DeltaLegion 53.0000.405
233 green_arkleseizure 53.0000.405
234 T4k0y4k1Suk1y4k1Sush1 53.0000.404
235 smitty 53.0000.404
236 gladiators 53.0000.403
237 Thomas' Tank Engines 53.0000.403
238 testing_it 53.0000.402
239 0x435446 53.0000.402
240 Z3Ro 53.0000.402
241 learn 53.0000.401
242 0x90skids 53.0000.401
243 purmpurm_ 53.0000.400
244 fzhshzh 53.0000.400
245 Manf 53.0000.400
246 isok_ 53.0000.399
247 Lions 53.0000.399
248 teamlaon 53.0000.398
249 St0rm 53.0000.398
250 Xai Trính Tã 53.0000.398
251 bopsled 53.0000.397
252 GTA6 53.0000.397
253 The Order of Phoenix 53.0000.396
254 田埂 53.0000.396
255 VDKT 53.0000.396
256 epistemologist 53.0000.395
257 PastaKings 53.0000.395
258 G6 53.0000.395
259 dotsu- 53.0000.394
260 jyjh 53.0000.394
261 NULLKrypt3rs 53.0000.394
262 ctfreloelf 53.0000.393
263 jarp01 53.0000.393
264 SISTEM-51 53.0000.393
265 WhiteRose 53.0000.392
266 onotch 53.0000.392
267 DH 53.0000.391
268 stankc 53.0000.391
269 Potatoes 53.0000.391
270 moongreel 53.0000.390
271 posix 53.0000.390
272 punk5n0td34d 53.0000.390
273 Spikers 53.0000.390
274 hexPistols 53.0000.389
275 WAFU 53.0000.389
276 Bytersec_Squad 53.0000.389
277 YellowHatN00bs 53.0000.388
278 CYberMouflons 53.0000.388
279 CTFCryptool 53.0000.388
280 K1_W4L0 53.0000.387
281 4to3 53.0000.387
282 whitehathacker 53.0000.387
283 OLAN 53.0000.386
284 cheaterdxd 53.0000.386
285 STeam 53.0000.386
286 FwPepek 53.0000.385
287 Kaligula 53.0000.385
288 L8FTeam 53.0000.385
289 tteam 24.0000.220
290 P.i.n.G 24.0000.219
291 Robots 24.0000.219
292 AESon 24.0000.219
293 Rotark 24.0000.219
294 Valdez 24.0000.218
295 ebeb12 24.0000.218
296 71_82_69_69_67_69 24.0000.218
297 Caretaker 24.0000.217
298 c0d3_h4cki05_ 24.0000.217
299 spoilers 24.0000.217
300 Zoomers 24.0000.217
301 Jacket Potato 24.0000.216
302 hardcode 24.0000.216
303 serotonin_undefined 24.0000.216
304 Evil_Corp 24.0000.216
305 CurryWurst 24.0000.215
306 mumu 24.0000.215
307 [sqrt (-1) + 1] 24.0000.215
308 InfosecIITG 24.0000.215
309 Astra Cyber Team 24.0000.214
310 PTZCTF 24.0000.214
311 us3r_nam3 24.0000.214
312 CyBeR BuLLiEs 24.0000.214
313 jodytrash 24.0000.213
314 hacker-culture 24.0000.213
315 flag{}___Orz 24.0000.213
316 3l1t3_h4ck3r 24.0000.213
317 bluefoot 24.0000.212
318 TeamPowerPrinter 24.0000.212
319 CRUSADERS 24.0000.212
320 \u0000 24.0000.212
321 AloneInTheDark 24.0000.211
322 th4nl4n_k1d13u 24.0000.211
323 FNSHacking 24.0000.211
324 Robot.txt 24.0000.211
325 Toor97 24.0000.210
326 sh4nf 24.0000.210
327 T35H 24.0000.210
328 phneutro 24.0000.210
329 ducks0ci3ty 24.0000.210
330 Run away 24.0000.209
331 NotEvanNishi 24.0000.209
332 WinX 24.0000.209
333 abcdef 24.0000.209
334 igotinfected 24.0000.208
335 HIGH0101 24.0000.208
336 Hackuna Gamma 24.0000.208
337 Bawang 24.0000.208
338 Teamneeded 24.0000.208
339 pwn rules 24.0000.207
340 T3am_Z3us 24.0000.207
341 It's Adventure Time 24.0000.207
342 Mr.Toxic 24.0000.207
343 4p0ph1s 24.0000.207
344 csictf 24.0000.206
345 Physicube 24.0000.206
346 ANLE 24.0000.206
348 DAS 24.0000.206
349 RedTeam 24.0000.205
350 ogel 24.0000.205
351 WhoCameUpWithThisStupidName 24.0000.205
352 Descartes 24.0000.205
353 Sh3llHub 24.0000.205
354 TaRuTaRuTaRuTaRuTaRu 24.0000.204
355 StandardEye 24.0000.204
356 jsutset 24.0000.204
357 maxian 24.0000.204
358 wind4s 24.0000.204
359 dO_Ob 24.0000.203
360 IndoGhostSecurity 24.0000.203
361 hacksterbae 24.0000.203
362 Team-Red 24.0000.203
363 gruf 24.0000.203
364 acdwas 24.0000.203
365 oscuro6879 24.0000.202
366 IZ*ONE 24.0000.202
367 EchoSec 24.0000.202
368 c0d3_sl4y3r 24.0000.202
369 Keep Quiet 24.0000.202
370 Dragon_King 24.0000.201
371 QAQ 24.0000.201
372 tapora 24.0000.201
373 illogical 24.0000.201
374 tutu 24.0000.201
375 Crypto Bochum 24.0000.201
376 BruteForce 24.0000.200
377 xxxSnowxxx 24.0000.200
378 3asba_ljerba 24.0000.200
379 Cyb3rpunk_squad 24.0000.200
380 memyselfandi 24.0000.200
381 tadaaa 24.0000.200
382 The Lone Duck 24.0000.199
383 battlestargalactica 24.0000.199
384 666 24.0000.199
385 Necron3574 24.0000.199
386 Dirty Bubble 24.0000.199
387 Twinfire 24.0000.199
388 B Team 24.0000.198
389 isHaacK 24.0000.198
390 RH01 24.0000.198
391 Server 24.0000.198
392 geunyang 24.0000.198
393 UIT.SoloQ 24.0000.198
394 asd123 24.0000.198
395 brokenkids 24.0000.197
396 ex-amrita 24.0000.197
397 fsocdotsh 24.0000.197
398 Heltäckningsmatta 24.0000.197
399 ninguno 24.0000.197
400 Krakos The Iegend 24.0000.197
401 Disconnected 24.0000.196
402 cybertrash 24.0000.196
403 NSA Rejects 24.0000.196
404 K3y0x14 24.0000.196
405 CyberPunks.cz 24.0000.196
406 iamwhiteknife 24.0000.196
407 Port WIne 24.0000.196
408 Delta 24.0000.195
409 qtty 24.0000.195
410 sekyurity 24.0000.195
411 VisionInjection 24.0000.195
412 l4sh 24.0000.195
413 XJNU_quack 24.0000.195
414 burnitalldown 24.0000.195
415 RATF{Rage Against The Flag} 24.0000.194
416 grants235 24.0000.194
417 ntropy 24.0000.194
418 HypeNah 24.0000.194
419 outOfCheese 24.0000.194
420 egzaa 24.0000.194
421 cobracmds 24.0000.194
422 w0lf734m 24.0000.193
423 Galaxians 24.0000.193
424 The Cyber Grabs 24.0000.193
425 BADSUD0'S 24.0000.193
426 runn3r5 24.0000.193
427 CryptoByte 24.0000.193
428 PARSECT 24.0000.193
429 xyper 24.0000.193
430 0x8Layer 24.0000.192
431 Flake 24.0000.192
432 jekrid 24.0000.192
433 Lord Byng Meister 24.0000.192
434 WOOT 24.0000.192
435 JackSpoer 24.0000.192
436 coolasdf 24.0000.192
437 ByteBandits 24.0000.192
438 mikejam 24.0000.191
439 bolgia4 24.0000.191
440 2mr 24.0000.191
441 Bark Bark 24.0000.191
442 bleh 24.0000.191
443 ADE123 24.0000.191
444 Stuca 24.0000.191
445 DL Academy 24.0000.191
446 Alex 24.0000.190
447 Newbonauts 24.0000.190
448 donkeykong 24.0000.190
449 T4ng0_t34m 24.0000.190
450 Hextraditables 24.0000.190
451 Delusions of Grandeur 24.0000.190
452 HydroflasksPart2 24.0000.190
453 TankiOnline 24.0000.190
454 watchdog 24.0000.189
455 Crib_Warrior 24.0000.189
456 basidi 24.0000.189
457 StolenBytes 24.0000.189
458 shikataganai 24.0000.189
459 ilovethepap 24.0000.189
460 Net-Zen 24.0000.189
461 threat.club 24.0000.189
462 ddddhm 24.0000.189
463 Ficus 24.0000.188
464 Cyrex 24.0000.188
465 2cr4sh 24.0000.188
466 MOBFCK 24.0000.188
467 hitmanalharbi 24.0000.188
468 EQkws 24.0000.188
469 takanori17h 24.0000.188
470 Virtuous 24.0000.188
471 BenderBot 24.0000.188
472 233 24.0000.187
473 ANONYMOUS 24.0000.187
474 TienPA 24.0000.187
475 NDLA 24.0000.187
476 @_@ 24.0000.187
477 Lazarus 24.0000.187
478 MorningLightMountain 24.0000.187
479 TesterTeam 24.0000.187
480 CyberYoddha 24.0000.187
481 Sndav 24.0000.186
482 Chromatk 24.0000.186
483 Arx 24.0000.186
484 ummm 24.0000.186
485 As 24.0000.186
486 UCCU 24.0000.186
487 godteam 24.0000.186
488 nobody 24.0000.186
489 r409 24.0000.186
490 Crazy Diamond 24.0000.186
491 justme 24.0000.185
492 Th3ng4k0l4 24.0000.185
493 SECARMY 24.0000.185
494 n01c333 24.0000.185
495 Timmy 24.0000.185
496 -TheVale- 24.0000.185
497 Klutz 24.0000.185
498 nickgers 24.0000.185
499 Villain 24.0000.185
500 XploiterZ 24.0000.185
501 Mytikas 24.0000.184
502 CryptoCrypti 24.0000.184
503 ROKhong 24.0000.184
504 monom 24.0000.184
505 Freakazoids 24.0000.184
506 BPS 24.0000.184
507 0xuzero 24.0000.184
508 Yezi 24.0000.184
509 99999 24.0000.184
510 _null0byte_ 24.0000.184
511 █▓▒░Team░▒▓█ 24.0000.184
512 M1NDFCUK 24.0000.183
513 anna 24.0000.183
514 hackbuaz 24.0000.183
515 ANIMAL 24.0000.183
516 lichman 24.0000.183
518 m1sn0w 24.0000.183
519 lenovo 24.0000.183
520 muthahid786 24.0000.183
521 sysc4lls 24.0000.183
522 Ariana Grande Fan Club 24.0000.183
523 Devnull01 24.0000.182
524 Ammas_Hackers 24.0000.182
525 empty-jack 24.0000.182
526 LOLZ 24.0000.182
527 Guska 24.0000.182
528 D4v1nc1-C0d3 24.0000.182
529 Darkside 24.0000.182
530 gamnabit 24.0000.182
531 U01T 24.0000.182
532 hide 24.0000.182
533 Disqualified 24.0000.182
534 Byte 24.0000.182
535 processing 24.0000.181
536 erikkabir 24.0000.181
537 exzettabyte 24.0000.181
538 Team ForFun 24.0000.181
539 EwerNeo 24.0000.181
540 ByamB4 24.0000.181
541 Legend Viper 24.0000.181
542 adeu 24.0000.181
543 Narbon1997 24.0000.181
544 don's team 24.0000.181
545 DNC&G 24.0000.181
546 veganjay 24.0000.181
547 Canary 24.0000.180
548 hacc 24.0000.180
549 Brap 24.0000.090
550 Alienware7 24.0000.090
551 AlphaSec 24.0000.090
552 loner 24.0000.090
kelteccApril 23, 2020, 11:25 p.m.

can't wait