DC FAT Supply Reconciliation

Circulating Supply (canonical)

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Native FAT on Datachain Rope, excl. treasury

Total Supply (canonical)

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Genesis 10B + migrated (max ~18B asymptotic)

Total Migrated

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burn-and-mint, 1:1

Legacy DC Remaining

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ERC-20 (Ethereum) + XRC-20 (XDC), live totalSupply()

Supply buckets

Representation	Chain	Contract	Total supply	Burned	Classification
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Uncirculated wallets (excluded from circulating supply)

Label	Address	Chain	Balance
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Methodology & machine-readable feeds

Classification. Native DCR-20 FAT on Datachain Rope (chain ID 271828) is the canonical asset and the sole basis for circulating supply and market cap. The legacy ERC-20 DC on Ethereum and XRC-20 DC on the XDC Network are bridged/legacy representations of the same asset and are excluded from the headline figures.

Migration. Legacy DC migrates one-directionally to native FAT through a burn-and-mint bridge: tokens are terminally burned on the origin chain in the same transaction that initiates the migration, and exactly the burned amount is minted on Rope after cryptographic proof verification. Each burn event can mint exactly once (nullifier set). Invariant: burned(Ethereum) + burned(XDC) == totalMigrated.

Feeds. Aggregators and auditors can consume:
GET /api/v1/supply/reconciliation — this page's full JSON view
GET /api/v1/supply/circulating — bare number, text/plain (CoinGecko / CoinMarketCap supply form format)
GET /api/v1/supply/total — bare number, text/plain

Emission. Native supply starts at the 10B genesis and grows by anchor-knot reward emission (Era 1: 500M FAT/yr, halving every 4 years) toward an asymptotic maximum of ~18B FAT. 10B is the genesis figure, not a hard cap.