diff --git a/go.mod b/go.mod
index 576ac7f..2f1af37 100644
--- a/go.mod
+++ b/go.mod
@@ -11,7 +11,7 @@ require (
 	github.com/go-ozzo/ozzo-validation/v4 v4.3.0
 	github.com/iden3/go-rapidsnark/types v0.0.3
 	github.com/rarimo/rarimo-core v0.0.0-20231004143803-6b209428ecbf
-	github.com/rarimo/zkverifier-kit v0.1.2-0.20240510160559-794b6f41b954
+	github.com/rarimo/zkverifier-kit v0.2.0
 	github.com/rubenv/sql-migrate v1.6.1
 	gitlab.com/distributed_lab/ape v1.7.1
 	gitlab.com/distributed_lab/figure/v3 v3.1.4
diff --git a/go.sum b/go.sum
index 4456423..38e8437 100644
--- a/go.sum
+++ b/go.sum
@@ -2106,8 +2106,8 @@ github.com/rarimo/cosmos-sdk v0.46.7 h1:jU2PiWzc+19SF02cXM0O0puKPeH1C6Q6t2lzJ9s1
 github.com/rarimo/cosmos-sdk v0.46.7/go.mod h1:fqKqz39U5IlEFb4nbQ72951myztsDzFKKDtffYJ63nk=
 github.com/rarimo/rarimo-core v0.0.0-20231004143803-6b209428ecbf h1:NvYhOErW0d7ohn2YzGxQYKssrgVrKOvjrKL1OBQgCB4=
 github.com/rarimo/rarimo-core v0.0.0-20231004143803-6b209428ecbf/go.mod h1:Onkd0EJP94hw4dT/2KH7QXRwDG4eIGeaMffSjA1i6/s=
-github.com/rarimo/zkverifier-kit v0.1.2-0.20240510160559-794b6f41b954 h1:TeqaLhZtA4rZdUbYwDaB3oOrK9Gf1rLKjcjBJID8K9M=
-github.com/rarimo/zkverifier-kit v0.1.2-0.20240510160559-794b6f41b954/go.mod h1:ROaCxusG9WLNwbqlTBKqZCm8tQrNdnwLyRWtS+yxO8o=
+github.com/rarimo/zkverifier-kit v0.2.0 h1:FybrsDdpP/x/m0ZtEeU9lcHsztlPtCBLo67unAdbFGA=
+github.com/rarimo/zkverifier-kit v0.2.0/go.mod h1:ROaCxusG9WLNwbqlTBKqZCm8tQrNdnwLyRWtS+yxO8o=
 github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475 h1:N/ElC8H3+5XpJzTSTfLsJV/mx9Q9g7kxmchpfZyxgzM=
 github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
 github.com/regen-network/cosmos-proto v0.3.1 h1:rV7iM4SSFAagvy8RiyhiACbWEGotmqzywPxOvwMdxcg=
diff --git a/internal/config/airdrop.go b/internal/config/airdrop.go
deleted file mode 100644
index 91304c7..0000000
--- a/internal/config/airdrop.go
+++ /dev/null
@@ -1,25 +0,0 @@
-package config
-
-import (
-	"fmt"
-
-	"gitlab.com/distributed_lab/figure/v3"
-	"gitlab.com/distributed_lab/kit/kv"
-)
-
-func (c *Config) AirdropAmount() int64 {
-	return c.airdrop.Do(func() interface{} {
-		var cfg struct {
-			Amount int64 `fig:"amount,required"`
-		}
-
-		err := figure.Out(&cfg).
-			From(kv.MustGetStringMap(c.getter, "airdrop")).
-			Please()
-		if err != nil {
-			panic(fmt.Errorf("failed to figure out airdrop amount: %w", err))
-		}
-
-		return cfg.Amount
-	}).(int64)
-}