Benefits

Membership includes a subscription to The Cryptogram magazine (6 issues a year) of which each issue has about 100 challenging ciphers of varying difficulty. The Cryptogram includes articles of general and specific interest to hobby cryptanalysts, another devoted to novices, and general news about the ACA. View a Sample Issue.

In addition, other membership benefits include –

  • an annual directory of ACA members
  • access to the ACA forum
  • submit solutions to the magazine challenges for credit

Dues

New One Year Memberships North America Overseas
Regular $18 $22
Full-Time Student $10 $15
Public and Private Organizations $36 $44

One Year Renewal North America Overseas
Regular $18 $22
Full-Time Student $10 $15
Members 65 & over with 10 years prior membership $10 $15
Public and Private Organizations $36 $44

Multi-Year Renewals North America Overseas
Regular 2 year renewal (save $1) $35 $43
Regular 3 year renewal (save $3) $51 $63
Regular 4 year renewal (save $6) $66 $82
Regular 5 year renewal (save $10) $80 $100
More than 5 years Subtract $10 from total

Ready to become a member?