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Featheral Dollar FTH$
The everyday currency of Featheral World. FTH$ runs on its own layer-3 ledger — signed blocks every second, free wallet-signed transfers, and a public file history anyone can replicate.
Layer 3 · settles to Ethereum Mainnet
Live ledger statistics
Reading the FTH$ ledger…
Latest blocks
All blocks →| Block | Hash | Txs | Age |
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Latest transactions
All transactions →| Type | Hash | Amount | Age |
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Top holders
Full rich list →| # | Account | Balance | USD est. | Share |
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How FTH$ works
Ethereum MainnetFTHGFixed-supply ERC-20. Balances and transfers live only on Ethereum. Open Featheral Gold →
Bridge rateLoading FTHG / FTH$ rate...Reading the authoritative reserve price.
Layer 3FTH$Native block ledger. Credits are sealed only after the bridge transaction confirms on Mainnet.
01 · Convert
FTHG → FTH$
Convert FTHG on the Ethereum bridge contract. Once the transaction confirms, the writer node seals a CREDIT to your wallet's FTH$ account.
02 · Spend & send
Free transfers
Sign a plain-text message in your wallet — no gas. The writer verifies the signature and a strictly increasing nonce, then seals a TRANSFER within about a second.
03 · Withdraw
FTH$ → FTHG
Withdrawals are RESERVED on the ledger, paid in FTHG by the bridge on Ethereum, then SETTLED with the Mainnet transaction hash. Cancelled requests are RELEASED.
An open, replicable ledger
Browse ledger files →Storage format
- Layout
YYYY/YYYY-MM-DD.jsonl— one folder per year, one file per UTC day- Encoding
- One block per line, canonical minified JSON (sorted keys)
- Block hash
sha256(canonical({h, t, p, x}))chained viap- Signatures
- Ed25519 writer signature
Sover each block hash - Topology
- One writer node, any number of read replicas
Run a read replica
Replicas pull blocks from /api/v1/fth/sync, re-verify every hash, signature and transaction, and serve the same public API. Past day files are immutable and safe to cache or mirror.
FTH_LEDGER_MODE=reader FTH_LEDGER_UPSTREAM_URL=https://dollar.featheral.com FTH_LEDGER_WRITER_PUBLIC_KEY=<writer key> npm start