update .env.example

.env.example

@@ -60,28 +60,31 @@ MINT_DATABASE=data/mint
 # MINT_DATABASE=postgres://cashu:cashu@localhost:5432/cashu
 
 # Funding source backends
+# Set one funding source backend for each unit
 # Supported: FakeWallet, LndRestWallet, LndRPCWallet, CLNRestWallet, BlinkWallet, LNbitsWallet, StrikeWallet, CoreLightningRestWallet (deprecated)
+
 MINT_BACKEND_BOLT11_SAT=FakeWallet
 # Only works if a usd derivation path is set
-# MINT_BACKEND_BOLT11_SAT=FakeWallet
+# MINT_BACKEND_BOLT11_USD=FakeWallet
+# MINT_BACKEND_BOLT11_EUR=FakeWallet
 
-# for use with LNbitsWallet
-MINT_LNBITS_ENDPOINT=https://legend.lnbits.com
-MINT_LNBITS_KEY=yourkeyasdasdasd
+# Funding source settings
 
 # Use with LndRPCWallet
 MINT_LND_RPC_ENDPOINT=localhost:10009
 MINT_LND_RPC_CERT="/path/to/tls.cert"
 MINT_LND_RPC_ADMIN_MACAROON="/path/to/admin.macaroon"
-# Use with LND
-MINT_LND_ENABLE_MPP=TRUE
 
 # Use with LndRestWallet
 MINT_LND_REST_ENDPOINT=https://127.0.0.1:8086
 MINT_LND_REST_CERT="/home/lnd/.lnd/tls.cert"
 MINT_LND_REST_MACAROON="/home/lnd/.lnd/data/chain/bitcoin/regtest/admin.macaroon"
 MINT_LND_REST_CERT_VERIFY=True
 
+# Use with LND
+# This setting enables MPP support for Partial multi-path payments (NUT-15)
+MINT_LND_ENABLE_MPP=TRUE
+
 # Use with CLNRestWallet
 MINT_CLNREST_URL=https://localhost:3010
 MINT_CLNREST_CERT="./clightning-2/regtest/ca.pem"
@@ -93,6 +96,10 @@ MINT_CORELIGHTNING_REST_URL=https://localhost:3001
 MINT_CORELIGHTNING_REST_MACAROON="./clightning-rest/access.macaroon"
 MINT_CORELIGHTNING_REST_CERT="./clightning-2-rest/certificate.pem"
 
+# Use with LNbitsWallet
+MINT_LNBITS_ENDPOINT=https://legend.lnbits.com
+MINT_LNBITS_KEY=yourkeyasdasdasd
+
 # Use with BlinkWallet
 MINT_BLINK_KEY=blink_abcdefgh