Bench
Digests the text seed:counter with SHA-256 through the Web Crypto API and counts results whose hex starts with the chosen number of zeros. Nothing leaves the tab.
Docs
How the pieces work
Everything on the home page is either computed in your browser, read from a public feed, or copied from the ledger. This page says which is which.
Browser tools
Glyphs
The first 32 bytes of a digest decide which cells of an 8 by 8 grid are lit; the right half mirrors the left. Byte values also set opacity and beat.
Odds
A zero run of length d has probability 16 to the power of minus d per try. Times use the exact geometric form, log(1 − q) / log(1 − p), divided by your speed.
Reveal demo
Hashes your seed, remembers the newest block N, waits for block N+k to exist, then hashes the commitment together with that block's hash. No contract, no signature.
Check it yourself
Recomputes a digest from seed and counter and compares it with what you paste. The text fingerprint box uses the same function.
Live feeds
- Chain RPC15 sblock, gas price, base fee, gas used, chain id, agehttps://rpc.mainnet.chain.robinhood.com
- DefiLlama10 minchain TVL, matched by chain idapi.llama.fi
- CoinGecko60 stop coins: price, 24h change, volume, 7d lineapi.coingecko.com
If a feed fails, its panel says stale or offline and unknown values show a dash.
Record states
- stated confirmed by the client, may be shown and linked
- absent nothing given; dash, no link
- unconfirmed present but unverified; shown with a warning, never linked
An address is never rejected for being hex: a well-formed 40-digit address is stated, any other value is kept as unconfirmed.
Ledger
- Chain stated Robinhood Chain client statement 2026-09-02 batch-level
- Chain id stated 0x1237 client statement 2026-09-02 batch-level
- RPC endpoint stated https://rpc.mainnet.chain.robinhood.com client statement 2026-09-02 batch-level
- Contract address absent — —
- Collection address absent — —
- Supply absent — —
- Mint price absent — —
- Difficulty schedule absent — —
- Stages absent — —
- Launch order absent — —
- X absent — —
- GitHub absent — —
Machine-readable copy: /register.json. Unknown values are null.
Notes
Any wallet or signing?
None. The bundle contains no wallet code and every network call is a read.
Any tracking?
No analytics, no cookies, no storage beyond what your browser does for caching.
Can I reuse the ledger file?
Yes, it is plain JSON. Treat null as unknown, not as zero.