From b1b82deec28bf42e36bb8144630e7dac0738e0d8 Mon Sep 17 00:00:00 2001
From: Otto Allmendinger <otto@bitgo.com>
Date: Fri, 22 May 2026 13:08:07 +0200
Subject: [PATCH] feat(abstract-utxo): disable legacy tx format and utxolib
 backend for all coins

Set supportedTxFormats.legacy and supportedSdkBackends.utxolib to false
unconditionally, completing the rollout to all coins.

Refs: T1-3245, T1-3280
Co-authored-by: llm-git <llm-git@ttll.de>
---
 modules/abstract-utxo/src/abstractUtxoCoin.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/abstract-utxo/src/abstractUtxoCoin.ts b/modules/abstract-utxo/src/abstractUtxoCoin.ts
index 8c84f8db46..0a14c88fa0 100644
--- a/modules/abstract-utxo/src/abstractUtxoCoin.ts
+++ b/modules/abstract-utxo/src/abstractUtxoCoin.ts
@@ -436,11 +436,11 @@ export abstract class AbstractUtxoCoin
 
   protected supportedTxFormats: { psbt: boolean; legacy: boolean } = {
     psbt: true,
-    legacy: this.getChain() === 'btc',
+    legacy: false,
   };
 
   protected supportedSdkBackends: { utxolib: boolean; 'wasm-utxo': boolean } = {
-    utxolib: this.getChain() === 'btc',
+    utxolib: false,
     'wasm-utxo': true,
   };