diff --git a/modules/abstract-utxo/package.json b/modules/abstract-utxo/package.json
index 53af4b62f4..287b52fff5 100644
--- a/modules/abstract-utxo/package.json
+++ b/modules/abstract-utxo/package.json
@@ -77,6 +77,7 @@
   },
   "devDependencies": {
     "@bitgo/sdk-test": "^9.1.76",
+    "@bitgo/statics": "^59.15.0",
     "@bitgo/utxo-lib": "^11.24.4",
     "mocha": "^10.2.0"
   },
diff --git a/modules/abstract-utxo/src/impl/btc/index.ts b/modules/abstract-utxo/src/impl/btc/index.ts
index 8e439d2dd0..57bbffc872 100644
--- a/modules/abstract-utxo/src/impl/btc/index.ts
+++ b/modules/abstract-utxo/src/impl/btc/index.ts
@@ -3,4 +3,5 @@ export * from './tbtc';
 export * from './tbtc4';
 export * from './tbtcsig';
 export * from './tbtcbgsig';
+export * from './tbtcstx';
 export * from './inscriptionBuilder';
diff --git a/modules/abstract-utxo/src/impl/btc/tbtcstx.ts b/modules/abstract-utxo/src/impl/btc/tbtcstx.ts
new file mode 100644
index 0000000000..a8a92bcbef
--- /dev/null
+++ b/modules/abstract-utxo/src/impl/btc/tbtcstx.ts
@@ -0,0 +1,21 @@
+import { BitGoBase } from '@bitgo/sdk-core';
+
+import { UtxoCoinName, WasmUtxoCoinName } from '../../names';
+
+import { Tbtc } from './tbtc';
+
+export class Tbtcstx extends Tbtc {
+  readonly name: UtxoCoinName = 'tbtcstx';
+
+  constructor(bitgo: BitGoBase) {
+    super(bitgo);
+  }
+
+  static createInstance(bitgo: BitGoBase): Tbtcstx {
+    return new Tbtcstx(bitgo);
+  }
+
+  override get wasmName(): WasmUtxoCoinName {
+    return 'tbtcreg';
+  }
+}
diff --git a/modules/abstract-utxo/src/names.ts b/modules/abstract-utxo/src/names.ts
index 8dab6448e9..da48699493 100644
--- a/modules/abstract-utxo/src/names.ts
+++ b/modules/abstract-utxo/src/names.ts
@@ -8,6 +8,7 @@ export const utxoCoinsTestnet = [
   'tbtc4',
   'tbtcsig',
   'tbtcbgsig',
+  'tbtcstx',
   'tbch',
   'tbcha',
   'tbsv',
@@ -20,7 +21,7 @@ export const utxoCoinsTestnet = [
 ] as const;
 
 export type UtxoCoinNameMainnet = (typeof utxoCoinsMainnet)[number];
-export type UtxoCoinNameTestnet = `t${UtxoCoinNameMainnet}` | 'tbtcsig' | 'tbtc4' | 'tbtcbgsig';
+export type UtxoCoinNameTestnet = `t${UtxoCoinNameMainnet}` | 'tbtcsig' | 'tbtc4' | 'tbtcbgsig' | 'tbtcstx';
 export type UtxoCoinName = UtxoCoinNameMainnet | UtxoCoinNameTestnet;
 
 export function toWasmUtxoCoinName(coinName: UtxoCoinName | WasmUtxoCoinName): WasmUtxoCoinName {
@@ -50,6 +51,7 @@ export function getMainnetCoinName(coinName: UtxoCoinName): UtxoCoinNameMainnet
     case 'tbtc4':
     case 'tbtcsig':
     case 'tbtcbgsig':
+    case 'tbtcstx':
       return 'btc';
     default:
       return coinName.slice(1) as UtxoCoinNameMainnet;
@@ -93,6 +95,9 @@ export function getFullNameFromCoinName(coinName: UtxoCoinName): string {
     case 'tbtcbgsig':
       prefix = 'BitGo Signet ';
       break;
+    case 'tbtcstx':
+      prefix = 'Stacks ';
+      break;
     default:
       prefix = isUtxoCoinNameTestnet(coinName) ? 'Testnet ' : '';
   }
diff --git a/modules/abstract-utxo/test/unit/tbtcstx.ts b/modules/abstract-utxo/test/unit/tbtcstx.ts
new file mode 100644
index 0000000000..c400fd7c81
--- /dev/null
+++ b/modules/abstract-utxo/test/unit/tbtcstx.ts
@@ -0,0 +1,28 @@
+import assert from 'assert';
+
+import { Networks } from '@bitgo/statics';
+import * as utxolib from '@bitgo/utxo-lib';
+
+import { Tbtcstx } from '../../src';
+
+import { defaultBitGo, getNetworkForCoinName } from './util';
+
+describe('tbtcstx', function () {
+  const coin = Tbtcstx.createInstance(defaultBitGo);
+
+  it('uses the public coin name with the testnet utxolib network', function () {
+    assert.strictEqual(coin.getChain(), 'tbtcstx');
+    assert.strictEqual(coin.wasmName, 'tbtcreg');
+    assert.strictEqual(Networks.test.bitcoinStx.utxolibName, 'testnet');
+    assert.strictEqual(getNetworkForCoinName(coin.name), utxolib.networks.testnet);
+  });
+
+  it('encodes and decodes private-1 addresses through the tbtcreg codec', function () {
+    const script = Buffer.from(`0014${'11'.repeat(20)}`, 'hex');
+    const address = coin.addressCodec.encode(script);
+
+    assert.match(address, /^bcrt1q/);
+    assert.deepStrictEqual(Buffer.from(coin.addressCodec.decode(address)), script);
+    assert.strictEqual(coin.isValidAddress(address), true);
+  });
+});
diff --git a/modules/abstract-utxo/test/unit/util/utxoCoins.ts b/modules/abstract-utxo/test/unit/util/utxoCoins.ts
index 67f771d929..92d85b71ea 100644
--- a/modules/abstract-utxo/test/unit/util/utxoCoins.ts
+++ b/modules/abstract-utxo/test/unit/util/utxoCoins.ts
@@ -1,6 +1,7 @@
 import * as utxolib from '@bitgo/utxo-lib';
 import { BitGoAPI } from '@bitgo/sdk-api';
 import { TestBitGo } from '@bitgo/sdk-test';
+import { coins, UtxoCoin } from '@bitgo/statics';
 
 import {
   AbstractUtxoCoin,
@@ -30,50 +31,36 @@ import type { UtxoCoinName } from '../../../src/names';
 
 export const defaultBitGo = TestBitGo.decorate(BitGoAPI, { env: 'mock' });
 
-/** Map coin names to utxolib network objects for test infrastructure */
-const coinNameToNetwork: Record<string, utxolib.Network> = {
-  btc: utxolib.networks.bitcoin,
-  tbtc: utxolib.networks.testnet,
-  tbtcsig: utxolib.networks.bitcoinPublicSignet,
-  tbtc4: utxolib.networks.bitcoinTestnet4,
-  tbtcbgsig: utxolib.networks.bitcoinBitGoSignet,
-  bch: utxolib.networks.bitcoincash,
-  tbch: utxolib.networks.bitcoincashTestnet,
-  bcha: utxolib.networks.ecash,
-  tbcha: utxolib.networks.ecashTest,
-  bsv: utxolib.networks.bitcoinsv,
-  tbsv: utxolib.networks.bitcoinsvTestnet,
-  btg: utxolib.networks.bitcoingold,
-  dash: utxolib.networks.dash,
-  tdash: utxolib.networks.dashTest,
-  doge: utxolib.networks.dogecoin,
-  tdoge: utxolib.networks.dogecoinTest,
-  ltc: utxolib.networks.litecoin,
-  tltc: utxolib.networks.litecoinTest,
-  zec: utxolib.networks.zcash,
-  tzec: utxolib.networks.zcashTest,
-};
+function isUtxolibNetworkName(name: string): name is utxolib.NetworkName {
+  return Object.prototype.hasOwnProperty.call(utxolib.networks, name);
+}
 
 /**
- * Get utxolib Network for a coin name. For test infrastructure only.
+ * Get the utxolib network for a coin name from the canonical statics definition.
  */
 export function getNetworkForCoinName(coinName: string): utxolib.Network {
-  const network = coinNameToNetwork[coinName];
-  if (!network) {
+  const coin = coins.getOrUndefined(coinName);
+  if (!(coin instanceof UtxoCoin)) {
     throw new Error(`Unknown coin name: ${coinName}`);
   }
-  return network;
+
+  const networkName = coin.network.utxolibName;
+  if (!isUtxolibNetworkName(networkName)) {
+    throw new Error(`Unknown utxolib network ${networkName} for coin ${coinName}`);
+  }
+
+  return utxolib.networks[networkName];
 }
 
 /**
- * Get coin name for a utxolib Network. For test infrastructure only.
+ * Get the canonical test coin for a utxolib network.
  */
 export function getCoinNameForNetwork(network: utxolib.Network): UtxoCoinName {
-  for (const [name, n] of Object.entries(coinNameToNetwork)) {
-    if (n === network) {
-      return name as UtxoCoinName;
-    }
+  const coin = utxoCoins.find((coin) => getNetworkForCoinName(coin.name) === network);
+  if (coin) {
+    return coin.name;
   }
+
   throw new Error(`Unknown network: ${utxolib.getNetworkName(network)}`);
 }
 
diff --git a/modules/bitgo/src/v2/coinFactory.ts b/modules/bitgo/src/v2/coinFactory.ts
index 0594157217..65de5d08fa 100644
--- a/modules/bitgo/src/v2/coinFactory.ts
+++ b/modules/bitgo/src/v2/coinFactory.ts
@@ -163,6 +163,7 @@ import {
   Tbtcsig,
   Tbtc4,
   Tbtcbgsig,
+  Tbtcstx,
   Tcanton,
   Tcelo,
   Tcoredao,
@@ -338,6 +339,7 @@ export function registerCoinConstructors(coinFactory: CoinFactory, coinMap: Coin
   coinFactory.register('tbtcsig', Tbtcsig.createInstance);
   coinFactory.register('tbtc4', Tbtc4.createInstance);
   coinFactory.register('tbtcbgsig', Tbtcbgsig.createInstance);
+  coinFactory.register('tbtcstx', Tbtcstx.createInstance);
   coinFactory.register('tcanton', Tcanton.createInstance);
   coinFactory.register('tcelo', Tcelo.createInstance);
   coinFactory.register('tcoredao', Tcoredao.createInstance);
diff --git a/modules/bitgo/src/v2/coins/index.ts b/modules/bitgo/src/v2/coins/index.ts
index d2a9e6e635..786f858451 100644
--- a/modules/bitgo/src/v2/coins/index.ts
+++ b/modules/bitgo/src/v2/coins/index.ts
@@ -16,7 +16,7 @@ import { Bera, Tbera, BeraToken } from '@bitgo/sdk-coin-bera';
 import { Bld, Tbld } from '@bitgo/sdk-coin-bld';
 import { Bsc, BscToken, Tbsc } from '@bitgo/sdk-coin-bsc';
 import { Bsv, Tbsv } from '@bitgo/sdk-coin-bsv';
-import { Btc, Tbtc, Tbtcsig, Tbtc4, Tbtcbgsig } from '@bitgo/sdk-coin-btc';
+import { Btc, Tbtc, Tbtcsig, Tbtc4, Tbtcbgsig, Tbtcstx } from '@bitgo/sdk-coin-btc';
 import { Btg } from '@bitgo/sdk-coin-btg';
 import { Canton, Tcanton } from '@bitgo/sdk-coin-canton';
 import { Celo, CeloToken, Tcelo } from '@bitgo/sdk-coin-celo';
@@ -95,7 +95,7 @@ export { Bch, Tbch };
 export { Bera, Tbera, BeraToken };
 export { Bsc, BscToken, Tbsc };
 export { Bsv, Tbsv };
-export { Btc, Tbtc, Tbtcsig, Tbtc4, Tbtcbgsig };
+export { Btc, Tbtc, Tbtcsig, Tbtc4, Tbtcbgsig, Tbtcstx };
 export { Btg };
 export { Canton, Tcanton };
 export { Celo, CeloToken, Tcelo };
diff --git a/modules/sdk-coin-btc/src/index.ts b/modules/sdk-coin-btc/src/index.ts
index 6d34bda541..d9d896c193 100644
--- a/modules/sdk-coin-btc/src/index.ts
+++ b/modules/sdk-coin-btc/src/index.ts
@@ -1,11 +1,12 @@
 import { BitGoBase } from '@bitgo/sdk-core';
-import { Btc, Tbtc, Tbtc4, Tbtcsig, Tbtcbgsig } from '@bitgo/abstract-utxo';
+import { Btc, Tbtc, Tbtc4, Tbtcsig, Tbtcbgsig, Tbtcstx } from '@bitgo/abstract-utxo';
 
 export { Btc, VerifyRecoveryTransactionOptions, InscriptionBuilder } from '@bitgo/abstract-utxo';
 export { Tbtc } from '@bitgo/abstract-utxo';
 export { Tbtcsig } from '@bitgo/abstract-utxo';
 export { Tbtc4 } from '@bitgo/abstract-utxo';
 export { Tbtcbgsig } from '@bitgo/abstract-utxo';
+export { Tbtcstx } from '@bitgo/abstract-utxo';
 
 export const register = (sdk: BitGoBase): void => {
   sdk.register('btc', Btc.createInstance);
@@ -13,4 +14,5 @@ export const register = (sdk: BitGoBase): void => {
   sdk.register('tbtcsig', Tbtcsig.createInstance);
   sdk.register('tbtcbgsig', Tbtcbgsig.createInstance);
   sdk.register('tbtc4', Tbtc4.createInstance);
+  sdk.register('tbtcstx', Tbtcstx.createInstance);
 };
diff --git a/modules/statics/src/networks.ts b/modules/statics/src/networks.ts
index b067137bf5..36bc66cdf9 100644
--- a/modules/statics/src/networks.ts
+++ b/modules/statics/src/networks.ts
@@ -541,6 +541,14 @@ class BitcoinBitGoSignet extends Testnet implements UtxoNetwork {
   explorerUrl = 'https://mempool.space/notanetwork/tx/';
 }
 
+class BitcoinStx extends Testnet implements UtxoNetwork {
+  name = 'BitcoinStx';
+  family = CoinFamily.BTC;
+  // Stacks regtest uses testnet transaction semantics in utxo-lib.
+  utxolibName = 'testnet';
+  explorerUrl = undefined;
+}
+
 class BitcoinCash extends Mainnet implements UtxoNetwork {
   name = 'BitcoinCash';
   family = CoinFamily.BCH;
@@ -3070,6 +3078,7 @@ export const Networks = {
     bitcoinPublicSignet: Object.freeze(new BitcoinPublicSignet()),
     bitcoinTestnet4: Object.freeze(new BitcoinTestnet4()),
     bitcoinBitGoSignet: Object.freeze(new BitcoinBitGoSignet()),
+    bitcoinStx: Object.freeze(new BitcoinStx()),
     bitcoinCash: Object.freeze(new BitcoinCashTestnet()),
     bitcoinGold: Object.freeze(new BitcoinGoldTestnet()),
     bitcoinSV: Object.freeze(new BitcoinSVTestnet()),
diff --git a/modules/statics/src/utxo.ts b/modules/statics/src/utxo.ts
index c962501fcd..c39c575ee7 100644
--- a/modules/statics/src/utxo.ts
+++ b/modules/statics/src/utxo.ts
@@ -261,6 +261,16 @@ export const utxoCoins: Readonly<BaseCoin>[] = [
     BaseUnit.BTC,
     BTC_FEATURES
   ),
+  utxo(
+    'f3e1c2d4-5b6a-47c8-9012-3456789abcde',
+    'tbtcstx',
+    // Stacks Bitcoin regtest, represented by Bitcoin testnet transaction semantics in utxo-lib.
+    'Stacks Bitcoin (Regtest)',
+    Networks.test.bitcoinStx,
+    UnderlyingAsset.BTC,
+    BaseUnit.BTC,
+    BTC_FEATURES
+  ),
   utxo(
     '8feb110d-0d68-44ce-ae97-b8c30ec870a9',
     'btg',
diff --git a/modules/statics/test/unit/fixtures/expectedColdFeatures.ts b/modules/statics/test/unit/fixtures/expectedColdFeatures.ts
index 611cc95bf5..8adcbe7deb 100644
--- a/modules/statics/test/unit/fixtures/expectedColdFeatures.ts
+++ b/modules/statics/test/unit/fixtures/expectedColdFeatures.ts
@@ -49,6 +49,7 @@ export const expectedColdFeatures = {
     'tbtcsig',
     'tbtc4',
     'tbtcbgsig',
+    'tbtcstx',
     'tcelo',
     'tcspr',
     'tdash',