Phoenix

Week #3 · Posted 2026-02-09 22:06:17
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Decrypt and submit the plaintext keyword. Remember, the weekly ciphers will chain to make a story, with the ciphers getting harder as the weeks go on!

Ciphertext
SUERT ZXOGO IORNB , TYVAK LGNIE ZVAPN BMMYF CCJRH VMGYJ ZVYYI POLSV PYBZE TWSTC XZIUO TCJIG RDBYD MYVRJ DQECR MFSLO CZJYU EVNMD TCERE IADEJ CMQ.F ECMKP AMGVL GOIEZ QAPEL ZLPYE RKPGD MEXXK ZSFOW JPYXN TAJTL DROEQ BDVZE ,FAKM UOVRL IXJQB DOYGW UVLJH IELXY WIECV LEMKM WVIIR OLCVI AAZTT WZGVC VWLSH KTQEV JMMEM NXVZP XASXP TBVQW .DJKI LGVIE YLZZI FYVLP KKFWH MBTPM YDXVI KPDIY RCENB ZPGGI XGZMG ZRZNX VNPDP HKGMS ZZLHI ZYZNJ MLJSN ETRAP DZEVE STDCC PXYUM AR.BT JLRTM XPBTY XUJXB GBLZI ZVFZJ ICZST BYEZB YGYXZ . RHZLP DEZIR QCBLE CUIGF PPPFI RUMFJ GEYIZ ZEAAT TPWJ, JSPIQ TLQVF IEGGZ EGULS ADMOD VSMRV JOQCE CFVQJ ZFJZO ZXGNW HDMNR RTJBY ?ELKV VNMMA ZPVVI UMWPP JIEIF JYFYI IVAUV MCZIG VXEBW XPAZV MGTCZ S,ETN SUYUT SFZXI CMCDP EJUCO ZGZEN ULSVR BTYLA Z.XSN PPLVI JMSXW PTJYD RNJGR ZQJFI AIEOL SSEWV ZVZEF UKIJN MELH, ZVAAC MHWRR ZIROM SOMXL TCNWC J.YUK LNZTL GVKUW LVPZY VGNIZ MIVLF RJMXZ TWYBK ZTBDO YDMTL XFEQN LHTVT RNIFC HOXLG IMHLX RVLLJ WHEVQ ZLGRG ZEEUL HQZAD CMZES LJCCT IJJSS CIPEX REMGV K.SCM KVRGZ VFSMZ UXFZI EDI,C VEEYA PPTKR IGMTJ YITZI QAWJZ YXUSI VKLJJ OTARM BPLSI ESFJT TLIZU XUBQL PRYFM ARVZC SSLWG IQNFZ ONVNG . ETSCS KZRTM MCWZZ LFRMD , CRKXZ VGUPW .HUXB R YF
Work on this cipher in your personal lab with notes and tools.
The plot thickens with this chapter, and so does the encryption. This is more than one cipher, so you wont be able to just put it into the breaker. New hint: it is one polyalphabetic cipher on top of a transposition cipher.

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About the Weekly Cipher

The Weekly Cipher is The Cipher Lab’s rotating cryptographic challenge. Each week, a new puzzle is released — ranging from simple substitution ciphers to advanced transpositions and polyalphabetic encryption.

🧠 Tip: Each challenge may use different classical ciphers — Caesar, Vigenère, Affine, Railfence, AMSCO, or others. Pay attention to patterns, letter frequencies, and clues in the text.

New puzzles appear every Monday at 12:00 UTC — good luck, and happy decrypting!