diff --git a/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/transaction.ex b/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/transaction.ex
index 6e67db3dda..3cd8a67b87 100644
--- a/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/transaction.ex
+++ b/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/transaction.ex
@@ -56,15 +56,52 @@ defmodule EthereumJSONRPC.Transaction do
           index: non_neg_integer(),
           input: String.t(),
           nonce: non_neg_integer(),
-          public_key: String.t(),
           r: non_neg_integer(),
           s: non_neg_integer(),
-          standard_v: 0 | 1,
           to_address_hash: EthereumJSONRPC.address(),
           v: non_neg_integer(),
           value: non_neg_integer()
         }
 
+  @doc """
+  Geth `elixir` can be converted to `params`.  Geth does not supply `"publicKey"` or `"standardV"`, unlike Parity.
+
+      iex> EthereumJSONRPC.Transaction.elixir_to_params(
+      ...>   %{
+      ...>     "blockHash" => "0x4e3a3754410177e6937ef1f84bba68ea139e8d1a2258c5f85db9f1cd715a1bdd",
+      ...>     "blockNumber" => 46147,
+      ...>     "from" => "0xa1e4380a3b1f749673e270229993ee55f35663b4",
+      ...>     "gas" => 21000,
+      ...>     "gasPrice" => 50000000000000,
+      ...>     "hash" => "0x5c504ed432cb51138bcf09aa5e8a410dd4a1e204ef84bfed1be16dfba1b22060",
+      ...>     "input" => "0x",
+      ...>     "nonce" => 0,
+      ...>     "r" => 61965845294689009770156372156374760022787886965323743865986648153755601564112,
+      ...>     "s" => 31606574786494953692291101914709926755545765281581808821704454381804773090106,
+      ...>     "to" => "0x5df9b87991262f6ba471f09758cde1c0fc1de734",
+      ...>     "transactionIndex" => 0,
+      ...>     "v" => 28,
+      ...>     "value" => 31337
+      ...>   }
+      ...> )
+      %{
+        block_hash: "0x4e3a3754410177e6937ef1f84bba68ea139e8d1a2258c5f85db9f1cd715a1bdd",
+        block_number: 46147,
+        from_address_hash: "0xa1e4380a3b1f749673e270229993ee55f35663b4",
+        gas: 21000,
+        gas_price: 50000000000000,
+        hash: "0x5c504ed432cb51138bcf09aa5e8a410dd4a1e204ef84bfed1be16dfba1b22060",
+        index: 0,
+        input: "0x",
+        nonce: 0,
+        r: 61965845294689009770156372156374760022787886965323743865986648153755601564112,
+        s: 31606574786494953692291101914709926755545765281581808821704454381804773090106,
+        to_address_hash: "0x5df9b87991262f6ba471f09758cde1c0fc1de734",
+        v: 28,
+        value: 31337
+      }
+
+  """
   @spec elixir_to_params(elixir) :: params
   def elixir_to_params(%{
         "blockHash" => block_hash,
@@ -75,10 +112,8 @@ defmodule EthereumJSONRPC.Transaction do
         "hash" => hash,
         "input" => input,
         "nonce" => nonce,
-        "publicKey" => public_key,
         "r" => r,
         "s" => s,
-        "standardV" => standard_v,
         "to" => to_address_hash,
         "transactionIndex" => index,
         "v" => v,
@@ -94,10 +129,8 @@ defmodule EthereumJSONRPC.Transaction do
       index: index,
       input: input,
       nonce: nonce,
-      public_key: public_key,
       r: r,
       s: s,
-      standard_v: standard_v,
       to_address_hash: to_address_hash,
       v: v,
       value: value
@@ -117,10 +150,8 @@ defmodule EthereumJSONRPC.Transaction do
       ...>     index: 0,
       ...>     input: "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",
       ...>     nonce: 0,
-      ...>     public_key: "0xe5d196ad4ceada719d9e592f7166d0c75700f6eab2e3c3de34ba751ea786527cb3f6eb96ad9fdfdb9989ff572df50f1c42ef800af9c5207a38b929aff969b5c9",
       ...>     r: "0xAD3733DF250C87556335FFE46C23E34DBAFFDE93097EF92F52C88632A40F0C75",
       ...>     s: "0x72caddc0371451a58de2ca6ab64e0f586ccdb9465ff54e1c82564940e89291e3",
-      ...>     standard_v: 0,
       ...>     v: "0x8d",
       ...>     value: 0
       ...>   }
diff --git a/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/transactions.ex b/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/transactions.ex
index bedd4215ef..d3cae4a83b 100644
--- a/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/transactions.ex
+++ b/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/transactions.ex
@@ -50,10 +50,8 @@ defmodule EthereumJSONRPC.Transactions do
           index: 0,
           input: "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",
           nonce: 0,
-          public_key: "0xe5d196ad4ceada719d9e592f7166d0c75700f6eab2e3c3de34ba751ea786527cb3f6eb96ad9fdfdb9989ff572df50f1c42ef800af9c5207a38b929aff969b5c9",
           r: "0xad3733df250c87556335ffe46c23e34dbaffde93097ef92f52c88632a40f0c75",
           s: "0x72caddc0371451a58de2ca6ab64e0f586ccdb9465ff54e1c82564940e89291e3",
-          standard_v: "0x0",
           to_address_hash: nil,
           v: "0xbd",
           value: 0
diff --git a/apps/explorer/lib/explorer/chain.ex b/apps/explorer/lib/explorer/chain.ex
index 10d817b1bc..5a16e4b389 100644
--- a/apps/explorer/lib/explorer/chain.ex
+++ b/apps/explorer/lib/explorer/chain.ex
@@ -804,10 +804,8 @@ defmodule Explorer.Chain do
       ...>         index: 0,
       ...>         input: "0x10855269000000000000000000000000862d67cb0773ee3f8ce7ea89b328ffea861ab3ef",
       ...>         nonce: 4,
-      ...>         public_key: "0xe5d196ad4ceada719d9e592f7166d0c75700f6eab2e3c3de34ba751ea786527cb3f6eb96ad9fdfdb9989ff572df50f1c42ef800af9c5207a38b929aff969b5c9",
       ...>         r: 0xa7f8f45cce375bb7af8750416e1b03e0473f93c256da2285d1134fc97a700e01,
       ...>         s: 0x1f87a076f13824f4be8963e3dffd7300dae64d5f23c9a062af0c6ead347c135f,
-      ...>         standard_v: 1,
       ...>         status: :ok,
       ...>         to_address_hash: "0x8bf38d4764929064f2d4d3a56520a76ab3df415b",
       ...>         v: 0xbe,
@@ -965,10 +963,8 @@ defmodule Explorer.Chain do
       ...>         index: 0,
       ...>         input: "0x10855269000000000000000000000000862d67cb0773ee3f8ce7ea89b328ffea861ab3ef",
       ...>         nonce: 4,
-      ...>         public_key: "0xe5d196ad4ceada719d9e592f7166d0c75700f6eab2e3c3de34ba751ea786527cb3f6eb96ad9fdfdb9989ff572df50f1c42ef800af9c5207a38b929aff969b5c9",
       ...>         r: 0xa7f8f45cce375bb7af8750416e1b03e0473f93c256da2285d1134fc97a700e01,
       ...>         s: 0x1f87a076f13824f4be8963e3dffd7300dae64d5f23c9a062af0c6ead347c135f,
-      ...>         standard_v: 1,
       ...>         to_address_hash: "0x8bf38d4764929064f2d4d3a56520a76ab3df415b",
       ...>         v: 0xbe,
       ...>         value: 0
@@ -1713,10 +1709,8 @@ defmodule Explorer.Chain do
             | :index
             | :input
             | :nonce
-            | :public_key
             | :r
             | :s
-            | :standard_v
             | :to_address_hash
             | :v
             | :value
diff --git a/apps/explorer/lib/explorer/chain/transaction.ex b/apps/explorer/lib/explorer/chain/transaction.ex
index 51188cdb59..ccc658596f 100644
--- a/apps/explorer/lib/explorer/chain/transaction.ex
+++ b/apps/explorer/lib/explorer/chain/transaction.ex
@@ -9,12 +9,7 @@ defmodule Explorer.Chain.Transaction do
 
   @optional_attrs ~w(block_hash block_number cumulative_gas_used from_address_hash gas_used index
                      internal_transactions_indexed_at status to_address_hash)a
-  @required_attrs ~w(gas gas_price hash input nonce public_key r s standard_v v value)a
-
-  @typedoc """
-  The full public key of the signer of the transaction.
-  """
-  @type public_key :: Data.t()
+  @required_attrs ~w(gas gas_price hash input nonce r s v value)a
 
   @typedoc """
   X coordinate module n in
@@ -30,28 +25,6 @@ defmodule Explorer.Chain.Transaction do
   """
   @type s :: Decimal.t()
 
-  @typedoc """
-  For message signatures, we use a trick called public key recovery. The fact is that if you have the full R point
-  (not just its X coordinate) and `t:s/0`, and a message, you can compute for which public key this would be a valid
-  signature. What this allows is to 'verify' a message with an address, without needing to know the full key (we just to
-  public key recovery on the signature, and then hash the recovered key and compare it with the address).
-
-  However, this means we need the full R coordinates. There can be up to 4 different points with a given
-  "X coordinate modulo n". (2 because each X coordinate has two possible Y coordinates, and 2 because r+n may still be a
-  valid X coordinate). That number between 0 and 3 is standard_v.
-
-  | `standard_v`  | X      | Y    |
-  |---------------|--------|------|
-  | `0`           | lower  | even |
-  | `1`           | lower  | odd  |
-  | `2`           | higher | even |
-  | `3`           | higher | odd  |
-
-  **Note: that `2` and `3` are exceedingly rarely, and will in practice only ever be seen in specifically generated
-  examples.**
-  """
-  @type standard_v :: 0..3
-
   @typedoc """
   The index of the transaction in its block.
   """
@@ -96,12 +69,10 @@ defmodule Explorer.Chain.Transaction do
    * `internal_transactions_indexed_at` - when `internal_transactions` were fetched by `Explorer.Indexer`.
    * `logs` - events that occurred while mining the `transaction`.
    * `nonce` - the number of transaction made by the sender prior to this one
-   * `public_key` - public key of the signer of the transaction
    * `r` - the R field of the signature. The (r, s) is the normal output of an ECDSA signature, where r is computed as
        the X coordinate of a point R, modulo the curve order n.
    * `s` - The S field of the signature.  The (r, s) is the normal output of an ECDSA signature, where r is computed as
        the X coordinate of a point R, modulo the curve order n.
-   * `standard_v` - The standardized V field of the signature
    * `status` - whether the transaction was successfully mined or failed.  `nil` when transaction is pending.
    * `to_address` - sink of `value`
    * `to_address_hash` - `to_address` foreign key
@@ -125,10 +96,8 @@ defmodule Explorer.Chain.Transaction do
           internal_transactions_indexed_at: DateTime.t(),
           logs: %Ecto.Association.NotLoaded{} | [Log.t()],
           nonce: non_neg_integer(),
-          public_key: public_key(),
           r: r(),
           s: s(),
-          standard_v: standard_v(),
           status: Status.t() | nil,
           to_address: %Ecto.Association.NotLoaded{} | Address.t(),
           to_address_hash: Hash.Address.t(),
@@ -147,10 +116,8 @@ defmodule Explorer.Chain.Transaction do
     field(:internal_transactions_indexed_at, :utc_datetime)
     field(:input, Data)
     field(:nonce, :integer)
-    field(:public_key, Data)
     field(:r, :decimal)
     field(:s, :decimal)
-    field(:standard_v, :integer)
     field(:status, Status)
     field(:v, :integer)
     field(:value, Wei)
@@ -191,10 +158,8 @@ defmodule Explorer.Chain.Transaction do
       ...>     hash: "0x3a3eb134e6792ce9403ea4188e5e79693de9e4c94e499db132be086400da79e6",
       ...>     input: "0x6060604052341561000f57600080fd5b336000806101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff1602179055506102db8061005e6000396000f300606060405260043610610062576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff1680630900f01014610067578063445df0ac146100a05780638da5cb5b146100c9578063fdacd5761461011e575b600080fd5b341561007257600080fd5b61009e600480803573ffffffffffffffffffffffffffffffffffffffff16906020019091905050610141565b005b34156100ab57600080fd5b6100b3610224565b6040518082815260200191505060405180910390f35b34156100d457600080fd5b6100dc61022a565b604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b341561012957600080fd5b61013f600480803590602001909190505061024f565b005b60008060009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff161415610220578190508073ffffffffffffffffffffffffffffffffffffffff1663fdacd5766001546040518263ffffffff167c010000000000000000000000000000000000000000000000000000000002815260040180828152602001915050600060405180830381600087803b151561020b57600080fd5b6102c65a03f1151561021c57600080fd5b5050505b5050565b60015481565b6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1681565b6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff1614156102ac57806001819055505b505600a165627a7a72305820a9c628775efbfbc17477a472413c01ee9b33881f550c59d21bee9928835c854b0029",
       ...>     nonce: 0,
-      ...>     public_key: "0xe5d196ad4ceada719d9e592f7166d0c75700f6eab2e3c3de34ba751ea786527cb3f6eb96ad9fdfdb9989ff572df50f1c42ef800af9c5207a38b929aff969b5c9",
       ...>     r: 0xAD3733DF250C87556335FFE46C23E34DBAFFDE93097EF92F52C88632A40F0C75,
       ...>     s: 0x72caddc0371451a58de2ca6ab64e0f586ccdb9465ff54e1c82564940e89291e3,
-      ...>     standard_v: 0x0,
       ...>     v: 0x8d,
       ...>     value: 0
       ...>   }
@@ -217,10 +182,8 @@ defmodule Explorer.Chain.Transaction do
       ...>     index: 0,
       ...>     input: "0x6060604052341561000f57600080fd5b336000806101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff1602179055506102db8061005e6000396000f300606060405260043610610062576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff1680630900f01014610067578063445df0ac146100a05780638da5cb5b146100c9578063fdacd5761461011e575b600080fd5b341561007257600080fd5b61009e600480803573ffffffffffffffffffffffffffffffffffffffff16906020019091905050610141565b005b34156100ab57600080fd5b6100b3610224565b6040518082815260200191505060405180910390f35b34156100d457600080fd5b6100dc61022a565b604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b341561012957600080fd5b61013f600480803590602001909190505061024f565b005b60008060009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff161415610220578190508073ffffffffffffffffffffffffffffffffffffffff1663fdacd5766001546040518263ffffffff167c010000000000000000000000000000000000000000000000000000000002815260040180828152602001915050600060405180830381600087803b151561020b57600080fd5b6102c65a03f1151561021c57600080fd5b5050505b5050565b60015481565b6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1681565b6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff1614156102ac57806001819055505b505600a165627a7a72305820a9c628775efbfbc17477a472413c01ee9b33881f550c59d21bee9928835c854b0029",
       ...>     nonce: 0,
-      ...>     public_key: "0xe5d196ad4ceada719d9e592f7166d0c75700f6eab2e3c3de34ba751ea786527cb3f6eb96ad9fdfdb9989ff572df50f1c42ef800af9c5207a38b929aff969b5c9",
       ...>     r: 0xAD3733DF250C87556335FFE46C23E34DBAFFDE93097EF92F52C88632A40F0C75,
       ...>     s: 0x72caddc0371451a58de2ca6ab64e0f586ccdb9465ff54e1c82564940e89291e3,
-      ...>     standard_v: 0x0,
       ...>     status: :ok,
       ...>     v: 0x8d,
       ...>     value: 0
@@ -254,10 +217,8 @@ defmodule Explorer.Chain.Transaction do
       ...>     index: 0,
       ...>     input: "0x6060604052341561000f57600080fd5b336000806101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff1602179055506102db8061005e6000396000f300606060405260043610610062576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff1680630900f01014610067578063445df0ac146100a05780638da5cb5b146100c9578063fdacd5761461011e575b600080fd5b341561007257600080fd5b61009e600480803573ffffffffffffffffffffffffffffffffffffffff16906020019091905050610141565b005b34156100ab57600080fd5b6100b3610224565b6040518082815260200191505060405180910390f35b34156100d457600080fd5b6100dc61022a565b604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b341561012957600080fd5b61013f600480803590602001909190505061024f565b005b60008060009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff161415610220578190508073ffffffffffffffffffffffffffffffffffffffff1663fdacd5766001546040518263ffffffff167c010000000000000000000000000000000000000000000000000000000002815260040180828152602001915050600060405180830381600087803b151561020b57600080fd5b6102c65a03f1151561021c57600080fd5b5050505b5050565b60015481565b6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1681565b6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff1614156102ac57806001819055505b505600a165627a7a72305820a9c628775efbfbc17477a472413c01ee9b33881f550c59d21bee9928835c854b0029",
       ...>     nonce: 0,
-      ...>     public_key: "0xe5d196ad4ceada719d9e592f7166d0c75700f6eab2e3c3de34ba751ea786527cb3f6eb96ad9fdfdb9989ff572df50f1c42ef800af9c5207a38b929aff969b5c9",
       ...>     r: 0xAD3733DF250C87556335FFE46C23E34DBAFFDE93097EF92F52C88632A40F0C75,
       ...>     s: 0x72caddc0371451a58de2ca6ab64e0f586ccdb9465ff54e1c82564940e89291e3,
-      ...>     standard_v: 0x0,
       ...>     status: :ok,
       ...>     v: 0x8d,
       ...>     value: 0
@@ -278,10 +239,8 @@ defmodule Explorer.Chain.Transaction do
       ...>     hash: "0x3a3eb134e6792ce9403ea4188e5e79693de9e4c94e499db132be086400da79e6",
       ...>     input: "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",
       ...>     nonce: 0,
-      ...>     public_key: "0xe5d196ad4ceada719d9e592f7166d0c75700f6eab2e3c3de34ba751ea786527cb3f6eb96ad9fdfdb9989ff572df50f1c42ef800af9c5207a38b929aff969b5c9",
       ...>     r: 0xAD3733DF250C87556335FFE46C23E34DBAFFDE93097EF92F52C88632A40F0C75,
       ...>     s: 0x72caddc0371451a58de2ca6ab64e0f586ccdb9465ff54e1c82564940e89291e3,
-      ...>     standard_v: 0x0,
       ...>     v: 0x8d,
       ...>     value: 0
       ...>   }
@@ -305,7 +264,6 @@ defmodule Explorer.Chain.Transaction do
     |> cast(attrs, @required_attrs ++ @optional_attrs)
     |> validate_required(@required_attrs)
     |> validate_collated_or_pending()
-    |> validate_number(:standard_v, greater_than_or_equal_to: 0, less_than_or_equal_to: 3)
     |> check_pending()
     |> check_collated()
     |> foreign_key_constraint(:block_hash)
diff --git a/apps/explorer/priv/repo/migrations/20180117221923_create_transactions.exs b/apps/explorer/priv/repo/migrations/20180117221923_create_transactions.exs
index 200315b8e3..1f07aa357c 100644
--- a/apps/explorer/priv/repo/migrations/20180117221923_create_transactions.exs
+++ b/apps/explorer/priv/repo/migrations/20180117221923_create_transactions.exs
@@ -23,10 +23,8 @@ defmodule Explorer.Repo.Migrations.CreateTransactions do
       add(:internal_transactions_indexed_at, :utc_datetime, null: true)
 
       add(:nonce, :integer, null: false)
-      add(:public_key, :bytea, null: false)
       add(:r, :numeric, precision: 100, null: false)
       add(:s, :numeric, precision: 100, null: false)
-      add(:standard_v, :smallint, null: false)
 
       # `null` when a pending transaction
       add(:status, :integer, null: true)
@@ -128,8 +126,6 @@ defmodule Explorer.Repo.Migrations.CreateTransactions do
       )
     )
 
-    create(constraint(:transactions, :standard_v, check: "0 <= standard_v AND standard_v <= 3"))
-
     create(index(:transactions, :block_hash))
     create(index(:transactions, :from_address_hash))
     create(index(:transactions, :to_address_hash))
diff --git a/apps/explorer/test/explorer/chain/transaction_test.exs b/apps/explorer/test/explorer/chain/transaction_test.exs
index 978f546aa9..f178d8ffe9 100644
--- a/apps/explorer/test/explorer/chain/transaction_test.exs
+++ b/apps/explorer/test/explorer/chain/transaction_test.exs
@@ -16,10 +16,8 @@ defmodule Explorer.Chain.TransactionTest do
                  gas_price: 10000,
                  input: "0x5c8eff12",
                  nonce: "31337",
-                 public_key: "0xb39af9cb",
                  r: 0x9,
                  s: 0x10,
-                 standard_v: 0x1,
                  transaction_index: "0x12",
                  v: 27
                })
diff --git a/apps/explorer/test/support/factory.ex b/apps/explorer/test/support/factory.ex
index 69fbae3aac..018264f964 100644
--- a/apps/explorer/test/support/factory.ex
+++ b/apps/explorer/test/support/factory.ex
@@ -217,10 +217,6 @@ defmodule Explorer.Factory do
     }
   end
 
-  def public_key do
-    data(:public_key)
-  end
-
   def market_history_factory do
     %MarketHistory{
       closing_price: price(),
@@ -258,10 +254,8 @@ defmodule Explorer.Factory do
       hash: transaction_hash(),
       input: transaction_input(),
       nonce: Enum.random(1..1_000),
-      public_key: public_key(),
       r: sequence(:transaction_r, & &1),
       s: sequence(:transaction_s, & &1),
-      standard_v: Enum.random(0..3),
       to_address: build(:address),
       v: Enum.random(27..30),
       value: Enum.random(1..100_000)
diff --git a/apps/indexer/test/indexer/address_balance_fetcher_test.exs b/apps/indexer/test/indexer/address_balance_fetcher_test.exs
index e54bc0544d..bc6a742553 100644
--- a/apps/indexer/test/indexer/address_balance_fetcher_test.exs
+++ b/apps/indexer/test/indexer/address_balance_fetcher_test.exs
@@ -20,7 +20,7 @@ defmodule Indexer.AddressBalanceFetcherTest do
 
   describe "init/1" do
     test "fetches unfetched Block miner balance" do
-      {:ok, miner_hash} = Hash.Truncated.cast("0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca")
+      {:ok, miner_hash} = Hash.Address.cast("0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca")
       miner = insert(:address, hash: miner_hash)
       block = insert(:block, miner: miner, number: 34)
 
@@ -41,7 +41,7 @@ defmodule Indexer.AddressBalanceFetcherTest do
     end
 
     test "fetches unfetched addresses when less than max batch size" do
-      {:ok, miner_hash} = Hash.Truncated.cast("0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca")
+      {:ok, miner_hash} = Hash.Address.cast("0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca")
       miner = insert(:address, hash: miner_hash)
       block = insert(:block, miner: miner, number: 34)