{
  "slug": "why-double-entry-bookkeeping-spread",
  "version": 1,
  "layout": "comparison",
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      "id": "n1",
      "type": "ledger",
      "label": "Debit Column",
      "x": 56,
      "y": 96,
      "w": 155,
      "h": 155,
      "detail": "what you owe"
    },
    {
      "id": "n2",
      "type": "divider",
      "label": "Balance Line",
      "x": 263,
      "y": 112,
      "w": 24,
      "h": 140
    },
    {
      "id": "n3",
      "type": "ledger",
      "label": "Credit Column",
      "x": 324,
      "y": 102,
      "w": 155,
      "h": 155,
      "detail": "what you own"
    },
    {
      "id": "n4",
      "type": "coin",
      "label": "Must Equal",
      "x": 336,
      "y": 281,
      "w": 78,
      "h": 78
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      "label": "sums to"
    },
    {
      "from": "n3",
      "to": "n4",
      "label": "sums to"
    }
  ],
  "summary": "Every transaction enters two columns; debit and credit must always balance, revealing any error.",
  "mechanism": "double-sided-ledger-balance",
  "fig": "FIG. / THE METHOD THAT MADE ERRORS VISIBLE",
  "animation": {
    "style": "reveal",
    "duration": 600,
    "stagger": 60
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  "presentation": {
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    "hero": "n1",
    "support": [
      "n4"
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    "icon": "ledger",
    "label": "Debit Column",
    "tilt": 0
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  "illustration": {
    "concept": "T-account with debit entries on left and credit entries on right; double rules at totals; tiny scale below confirms both sides balance",
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