diff --git a/packages/cre-sdk-examples/.env.example b/packages/cre-sdk-examples/.env.example
index 64d40946..d44bf257 100644
--- a/packages/cre-sdk-examples/.env.example
+++ b/packages/cre-sdk-examples/.env.example
@@ -9,6 +9,8 @@
 ###############################################################################
 # Ethereum private key or 1Password reference (e.g. op://vault/item/field)
 CRE_ETH_PRIVATE_KEY=0000000000000000000000000000000000000000000000000000000000000001
+# Solana 64-byte base58 keypair.
+CRE_SOLANA_PRIVATE_KEY=1111111111111111111111111111111PPm2a2NNZH2EFJ5UkEjkH9Fcxn8cvjTmZDKQQisyLDmA
 # Profile to use for this environment (e.g. staging-settins, production-settings)
 CRE_TARGET=staging-settings
 # This one will be used in PoR workflow