Cryptography
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Research
| Picture | Technology | Description | Cost |
|---|---|---|---|
| At Level 19 | |||
|
Cryptography | Through the development of cryptography, it is 10% more difficult for enemy spies to obtain a report. |  2500  3000  5100  6
|
In essence, this means that it will take your enemy 20% more silver coins invested into an espionage action to successfully spy on your polis.