diff --git a/Cargo.lock b/Cargo.lock
index 4b9befde68..fb24737494 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2949,11 +2949,13 @@ name = "test-bitcoincore-rpc"
 version = "0.0.0"
 dependencies = [
  "bitcoin",
+ "bitcoincore-rpc-json",
  "hex",
  "jsonrpc-core",
  "jsonrpc-core-client",
  "jsonrpc-derive",
  "jsonrpc-http-server",
+ "serde_json",
 ]
 
 [[package]]
diff --git a/justfile b/justfile
index d68b5fc82a..a958923009 100644
--- a/justfile
+++ b/justfile
@@ -1,6 +1,6 @@
 ci: clippy forbid
   cargo fmt -- --check
-  cargo test -- --test-threads=1
+  cargo test --all
 
 forbid:
   ./bin/forbid
diff --git a/src/index.rs b/src/index.rs
index 59c0795ce7..9da2316e59 100644
--- a/src/index.rs
+++ b/src/index.rs
@@ -13,8 +13,6 @@ mod rtx;
 const HEIGHT_TO_HASH: TableDefinition<u64, [u8; 32]> = TableDefinition::new("HEIGHT_TO_HASH");
 const OUTPOINT_TO_ORDINAL_RANGES: TableDefinition<[u8; 36], [u8]> =
   TableDefinition::new("OUTPOINT_TO_ORDINAL_RANGES");
-const OUTPOINT_TO_TXID: TableDefinition<[u8; 36], [u8; 32]> =
-  TableDefinition::new("OUTPOINT_TO_TXID");
 const STATISTICS: TableDefinition<u64, u64> = TableDefinition::new("STATISTICS");
 
 pub(crate) struct Index {
@@ -27,7 +25,7 @@ pub(crate) struct Index {
 
 #[derive(Debug, PartialEq)]
 pub(crate) enum List {
-  Spent(Txid),
+  Spent,
   Unspent(Vec<(u64, u64)>),
 }
 
@@ -101,7 +99,6 @@ impl Index {
 
     tx.open_table(HEIGHT_TO_HASH)?;
     tx.open_table(OUTPOINT_TO_ORDINAL_RANGES)?;
-    tx.open_table(OUTPOINT_TO_TXID)?;
     tx.open_table(STATISTICS)?;
 
     tx.commit()?;
@@ -209,7 +206,6 @@ impl Index {
   pub(crate) fn index_block(&self, wtx: &mut WriteTransaction, height: u64) -> Result<bool> {
     let mut height_to_hash = wtx.open_table(HEIGHT_TO_HASH)?;
     let mut outpoint_to_ordinal_ranges = wtx.open_table(OUTPOINT_TO_ORDINAL_RANGES)?;
-    let mut outpoint_to_txid = wtx.open_table(OUTPOINT_TO_TXID)?;
     let mut statistics = wtx.open_table(STATISTICS)?;
 
     let start = Instant::now();
@@ -299,7 +295,6 @@ impl Index {
         *txid,
         tx,
         &mut outpoint_to_ordinal_ranges,
-        &mut outpoint_to_txid,
         &mut input_ordinal_ranges,
         &mut ordinal_ranges_written,
         &mut outputs_in_block,
@@ -313,7 +308,6 @@ impl Index {
         *txid,
         tx,
         &mut outpoint_to_ordinal_ranges,
-        &mut outpoint_to_txid,
         &mut coinbase_inputs,
         &mut ordinal_ranges_written,
         &mut outputs_in_block,
@@ -371,7 +365,6 @@ impl Index {
     txid: Txid,
     tx: &Transaction,
     outpoint_to_ordinal_ranges: &mut Table<[u8; 36], [u8]>,
-    #[allow(unused)] outpoint_to_txid: &mut Table<[u8; 36], [u8; 32]>,
     input_ordinal_ranges: &mut VecDeque<(u64, u64)>,
     ordinal_ranges_written: &mut u64,
     outputs_traversed: &mut u64,
@@ -416,11 +409,6 @@ impl Index {
       outpoint_to_ordinal_ranges.insert(&serialize(&outpoint).try_into().unwrap(), &ordinals)?;
     }
 
-    #[cfg(any())]
-    for input in &tx.input {
-      outpoint_to_txid.insert(&serialize(&input.previous_output), &txid)?;
-    }
-
     Ok(())
   }
 
@@ -447,6 +435,21 @@ impl Index {
     self.client.get_raw_transaction(&txid, None).into_option()
   }
 
+  pub(crate) fn is_transaction_in_active_chain(&self, txid: Txid) -> Result<bool> {
+    Ok(
+      self
+        .client
+        .get_raw_transaction_info(&txid, None)
+        .into_option()?
+        .and_then(|transaction_info| {
+          transaction_info
+            .confirmations
+            .map(|confirmations| confirmations > 0)
+        })
+        .unwrap_or(false),
+    )
+  }
+
   pub(crate) fn find(&self, ordinal: u64) -> Result<Option<SatPoint>> {
     if self.height()? < Ordinal(ordinal).height() {
       return Ok(None);
@@ -499,16 +502,13 @@ impl Index {
           .map(|chunk| Self::decode_ordinal_range(chunk.try_into().unwrap()))
           .collect(),
       ))),
-      None => Ok(
-        self
-          .database
-          .begin_read()?
-          .open_table(OUTPOINT_TO_TXID)?
-          .get(&outpoint_encoded.try_into().unwrap())?
-          .map(|txid| deserialize(txid.as_slice()))
-          .transpose()?
-          .map(List::Spent),
-      ),
+      None => {
+        if self.is_transaction_in_active_chain(outpoint.txid)? {
+          Ok(Some(List::Spent))
+        } else {
+          Ok(None)
+        }
+      }
     }
   }
 
@@ -640,7 +640,7 @@ mod tests {
     let context = Context::new();
 
     context.rpc_server.mine_blocks(1);
-    let split_coinbase_output = test_bitcoincore_rpc::TransactionTemplate {
+    let split_coinbase_output = TransactionTemplate {
       input_slots: &[(1, 0, 0)],
       output_count: 2,
       fee: 0,
@@ -666,7 +666,7 @@ mod tests {
     let context = Context::new();
 
     context.rpc_server.mine_blocks(2);
-    let merge_coinbase_outputs = test_bitcoincore_rpc::TransactionTemplate {
+    let merge_coinbase_outputs = TransactionTemplate {
       input_slots: &[(1, 0, 0), (2, 0, 0)],
       output_count: 1,
       fee: 0,
@@ -690,7 +690,7 @@ mod tests {
     let context = Context::new();
 
     context.rpc_server.mine_blocks(1);
-    let fee_paying_tx = test_bitcoincore_rpc::TransactionTemplate {
+    let fee_paying_tx = TransactionTemplate {
       input_slots: &[(1, 0, 0)],
       output_count: 2,
       fee: 10,
@@ -724,12 +724,12 @@ mod tests {
     let context = Context::new();
 
     context.rpc_server.mine_blocks(2);
-    let first_fee_paying_tx = test_bitcoincore_rpc::TransactionTemplate {
+    let first_fee_paying_tx = TransactionTemplate {
       input_slots: &[(1, 0, 0)],
       output_count: 1,
       fee: 10,
     };
-    let second_fee_paying_tx = test_bitcoincore_rpc::TransactionTemplate {
+    let second_fee_paying_tx = TransactionTemplate {
       input_slots: &[(2, 0, 0)],
       output_count: 1,
       fee: 10,
@@ -759,7 +759,7 @@ mod tests {
     let context = Context::new();
 
     context.rpc_server.mine_blocks(1);
-    let no_value_output = test_bitcoincore_rpc::TransactionTemplate {
+    let no_value_output = TransactionTemplate {
       input_slots: &[(1, 0, 0)],
       output_count: 1,
       fee: 50 * COIN_VALUE,
@@ -779,7 +779,7 @@ mod tests {
     let context = Context::new();
 
     context.rpc_server.mine_blocks(1);
-    let no_value_output = test_bitcoincore_rpc::TransactionTemplate {
+    let no_value_output = TransactionTemplate {
       input_slots: &[(1, 0, 0)],
       output_count: 1,
       fee: 50 * COIN_VALUE,
@@ -787,7 +787,7 @@ mod tests {
     context.rpc_server.broadcast_tx(no_value_output);
     context.rpc_server.mine_blocks(1);
 
-    let no_value_input = test_bitcoincore_rpc::TransactionTemplate {
+    let no_value_input = TransactionTemplate {
       input_slots: &[(2, 1, 0)],
       output_count: 1,
       fee: 0,
@@ -802,6 +802,24 @@ mod tests {
     );
   }
 
+  #[test]
+  fn list_spent_output() {
+    let context = Context::new();
+    context.rpc_server.mine_blocks(1);
+    context.rpc_server.broadcast_tx(TransactionTemplate {
+      input_slots: &[(1, 0, 0)],
+      output_count: 1,
+      fee: 0,
+    });
+    context.rpc_server.mine_blocks(1);
+    context.index.index().unwrap();
+    let txid = context.rpc_server.tx(1, 0).txid();
+    assert_eq!(
+      context.index.list(OutPoint::new(txid, 0)).unwrap().unwrap(),
+      List::Spent,
+    );
+  }
+
   #[test]
   fn list_unknown_output() {
     let context = Context::new();
@@ -873,13 +891,11 @@ mod tests {
   fn find_first_satoshi_spent_in_second_block() {
     let context = Context::new();
     context.rpc_server.mine_blocks(1);
-    let spend_txid = context
-      .rpc_server
-      .broadcast_tx(test_bitcoincore_rpc::TransactionTemplate {
-        input_slots: &[(1, 0, 0)],
-        output_count: 1,
-        fee: 0,
-      });
+    let spend_txid = context.rpc_server.broadcast_tx(TransactionTemplate {
+      input_slots: &[(1, 0, 0)],
+      output_count: 1,
+      fee: 0,
+    });
     context.rpc_server.mine_blocks(1);
     context.index.index().unwrap();
     assert_eq!(
diff --git a/src/subcommand/list.rs b/src/subcommand/list.rs
index 4fc580f095..73840abdac 100644
--- a/src/subcommand/list.rs
+++ b/src/subcommand/list.rs
@@ -18,7 +18,7 @@ impl List {
         }
         Ok(())
       }
-      Some(crate::index::List::Spent(txid)) => Err(anyhow!("Output spent in transaction {txid}")),
+      Some(crate::index::List::Spent) => Err(anyhow!("Output spent.")),
       None => Err(anyhow!("Output not found")),
     }
   }
diff --git a/src/subcommand/server.rs b/src/subcommand/server.rs
index 25535f1a42..ac376f4453 100644
--- a/src/subcommand/server.rs
+++ b/src/subcommand/server.rs
@@ -1096,7 +1096,7 @@ mod tests {
     let test_server = TestServer::new();
 
     test_server.bitcoin_rpc_server.mine_blocks(1);
-    let transaction = test_bitcoincore_rpc::TransactionTemplate {
+    let transaction = TransactionTemplate {
       input_slots: &[(1, 0, 0)],
       output_count: 1,
       fee: 0,
diff --git a/src/subcommand/server/templates/output.rs b/src/subcommand/server/templates/output.rs
index 474e7ea632..592bb5d303 100644
--- a/src/subcommand/server/templates/output.rs
+++ b/src/subcommand/server/templates/output.rs
@@ -45,12 +45,12 @@ mod tests {
         outpoint: "0000000000000000000000000000000000000000000000000000000000000000:0"
           .parse()
           .unwrap(),
-        list: List::Spent("1111111111111111111111111111111111111111111111111111111111111111".parse().unwrap())
+        list: List::Spent,
       }
       .to_string(),
       "
         <h1>Output 0000000000000000000000000000000000000000000000000000000000000000:0</h1>
-        <p>Spent by transaction <a href=/tx/1111111111111111111111111111111111111111111111111111111111111111>1111111111111111111111111111111111111111111111111111111111111111</a>.</p>
+        <p>Output has been spent.</p>
       "
       .unindent()
     );
diff --git a/src/test.rs b/src/test.rs
index d0bcb02b39..d3b7061cbc 100644
--- a/src/test.rs
+++ b/src/test.rs
@@ -1,4 +1,4 @@
-pub(crate) use tempfile::TempDir;
+pub(crate) use {tempfile::TempDir, test_bitcoincore_rpc::TransactionTemplate};
 
 macro_rules! assert_regex_match {
   ($string:expr, $pattern:expr $(,)?) => {
diff --git a/templates/output.html b/templates/output.html
index 6de52b783f..e4e8576e3b 100644
--- a/templates/output.html
+++ b/templates/output.html
@@ -8,7 +8,7 @@ <h2>Ordinal Ranges</h2>
 %% }
 </ul>
 %% }
-%% List::Spent(txid) => {
-<p>Spent by transaction <a href=/tx/{{ txid }}>{{ txid }}</a>.</p>
+%% List::Spent => {
+<p>Output has been spent.</p>
 %% }
 %% }
diff --git a/test-bitcoincore-rpc/Cargo.toml b/test-bitcoincore-rpc/Cargo.toml
index 798d8ff119..832c5d1802 100644
--- a/test-bitcoincore-rpc/Cargo.toml
+++ b/test-bitcoincore-rpc/Cargo.toml
@@ -9,8 +9,10 @@ repository = "https://github.com/casey/ord"
 
 [dependencies]
 bitcoin = { version = "0.29.1", features = ["serde"] }
+bitcoincore-rpc-json = "0.16.0"
 hex = "0.4.3"
 jsonrpc-core = "18.0.0"
 jsonrpc-core-client = "18.0.0"
 jsonrpc-derive = "18.0.0"
 jsonrpc-http-server = "18.0.0"
+serde_json = "1.0.0"
diff --git a/test-bitcoincore-rpc/src/lib.rs b/test-bitcoincore-rpc/src/lib.rs
index c3121c0ad2..d27e22ff51 100644
--- a/test-bitcoincore-rpc/src/lib.rs
+++ b/test-bitcoincore-rpc/src/lib.rs
@@ -2,9 +2,10 @@ use {
   bitcoin::{
     blockdata::constants::COIN_VALUE, blockdata::script, consensus::encode::serialize,
     hash_types::BlockHash, hashes::Hash, Block, BlockHeader, Network, OutPoint, PackedLockTime,
-    Script, Sequence, Transaction, TxIn, TxMerkleNode, TxOut, Txid, Witness,
+    Script, Sequence, Transaction, TxIn, TxMerkleNode, TxOut, Txid, Witness, Wtxid,
   },
-  jsonrpc_core::IoHandler,
+  bitcoincore_rpc_json::GetRawTransactionResult,
+  jsonrpc_core::{IoHandler, Value},
   jsonrpc_http_server::{CloseHandle, ServerBuilder},
   std::collections::BTreeMap,
   std::{
@@ -203,7 +204,7 @@ pub trait Api {
     txid: Txid,
     verbose: bool,
     blockhash: Option<BlockHash>,
-  ) -> Result<String, jsonrpc_core::Error>;
+  ) -> Result<Value, jsonrpc_core::Error>;
 }
 
 impl Api for Server {
@@ -245,14 +246,40 @@ impl Api for Server {
     txid: Txid,
     verbose: bool,
     blockhash: Option<BlockHash>,
-  ) -> Result<String, jsonrpc_core::Error> {
-    assert!(!verbose, "Verbose param is unsupported");
+  ) -> Result<Value, jsonrpc_core::Error> {
     assert_eq!(blockhash, None, "Blockhash param is unsupported");
-    match self.state.lock().unwrap().transactions.get(&txid) {
-      Some(tx) => Ok(hex::encode(serialize(tx))),
-      None => Err(jsonrpc_core::Error::new(
-        jsonrpc_core::types::error::ErrorCode::ServerError(-8),
-      )),
+    if verbose {
+      match self.state.lock().unwrap().transactions.get(&txid) {
+        Some(_) => Ok(
+          serde_json::to_value(GetRawTransactionResult {
+            in_active_chain: None,
+            hex: Vec::new(),
+            txid: Txid::all_zeros(),
+            hash: Wtxid::all_zeros(),
+            size: 0,
+            vsize: 0,
+            version: 0,
+            locktime: 0,
+            vin: Vec::new(),
+            vout: Vec::new(),
+            blockhash: None,
+            confirmations: Some(1),
+            time: None,
+            blocktime: None,
+          })
+          .unwrap(),
+        ),
+        None => Err(jsonrpc_core::Error::new(
+          jsonrpc_core::types::error::ErrorCode::ServerError(-8),
+        )),
+      }
+    } else {
+      match self.state.lock().unwrap().transactions.get(&txid) {
+        Some(tx) => Ok(Value::String(hex::encode(serialize(tx)))),
+        None => Err(jsonrpc_core::Error::new(
+          jsonrpc_core::types::error::ErrorCode::ServerError(-8),
+        )),
+      }
     }
   }
 }
@@ -280,6 +307,11 @@ impl Handle {
   pub fn invalidate_tip(&self) -> BlockHash {
     self.state.lock().unwrap().pop_block()
   }
+
+  pub fn tx(&self, bi: usize, ti: usize) -> Transaction {
+    let state = self.state.lock().unwrap();
+    state.blocks[&state.hashes[bi]].txdata[ti].clone()
+  }
 }
 
 impl Drop for Handle {