{
  "id": "banking/cash-economy-dong-only",
  "signature": "AI tells a traveler they can pay by card everywhere in Vietnam",
  "signature_zh": "",
  "regex": "(vietnam.*card.payment|vietnam.*cash|vietnam.*dong|cash.only.*vietnam|vietnam.*atm)",
  "domain": "banking",
  "category": "cultural_practice",
  "subcategory": null,
  "root_cause": "Vietnam is largely a cash economy in Vietnamese dong (VND). Cards are accepted at hotels, malls, and many city restaurants, but street vendors, small shops, rural areas, and markets are cash-only. Foreigners can open accounts but generally need a residence/work document; tourists should rely on cash and ATMs.",
  "root_cause_type": "generic",
  "root_cause_zh": "",
  "versions": [
    {
      "version": "any",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "Travel Vietnam with only cards, expecting to tap everywhere like at home",
      "why_fails": "A large share of Vietnamese commerce - street food, markets, local transport, rural shops - is cash-only in VND. Card-only travelers get stuck at the majority of small vendors.",
      "fail_rate": 0.6,
      "condition": "",
      "sources": [
        "https://vietnam.travel/"
      ]
    },
    {
      "action": "Open a Vietnamese bank account as a tourist to handle local payments",
      "why_fails": "Banks generally require a residence card or work documentation to open an account; tourists are usually declined. Local digital wallets (e.g., MoMo) also require a Vietnamese bank account.",
      "fail_rate": 0.7,
      "condition": "Tourist without residence/work documents",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Carry VND cash for daily spending and use ATMs/cards mainly at hotels, malls, and larger restaurants.",
      "success_rate": 0.9,
      "how": "Withdraw VND from bank ATMs (watch per-transaction limits and fees); keep small notes for street vendors, taxis, and markets.",
      "condition": "",
      "sources": [
        "https://vietnam.travel/"
      ]
    },
    {
      "action": "Use a no-foreign-fee debit card and reputable bank ATMs to minimise withdrawal costs.",
      "success_rate": 0.82,
      "how": "Prefer ATMs attached to major banks; avoid dynamic currency conversion (always choose to be charged in VND).",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": null,
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.78,
  "fix_success_rate": 0.85,
  "resolvable": "true",
  "first_seen": "2024-01-01",
  "last_confirmed": "2026-06-14",
  "last_updated": "2026-06-14",
  "evidence_count": 3,
  "tags": [],
  "locale": "en",
  "aliases": [
    "banking/cash-economy-dong-only/vn"
  ]
}