Fees — what Twin charges, and what it does not
Twin has two kinds of fees, and they are kept strictly separate. The core-chain fee is paid in a chain's own coin, on the chain, and is in force today. The service-layer fees are charged in US dollars for the services around the chains — creating and publishing a personal blockchain, hosting, anchoring — and every figure for them on this page is a proposal, labelled as one. A Twin fee that is not a published number or formula does not exist.
On this page: In force today · The proposed service schedule · What is fee-free · What fees never are
This page was last reviewed on November 6, 2026, against the family's fee record of that date.
In force today: the core-chain fee
Every transaction on the family's five chains carries a fee of 1 base unit — the smallest unit of the chain's own coin (1 coin = 1,000,000 base units).
100% of it is burned — destroyed, paid to no one. Not to Twin, not to the validators. The family's whole history so far stands at 6 transactions: 6 base units paid, 6 burned, 0 paid to any person.
Looking costs nothing: this website, the explorer and the chains' public records are free to read, with no account and no sign-up.
The proposed service schedule
Creating and hosting a chain
| Service | Proposed figure | Status |
|---|---|---|
| Pilot chain on the test network (one-time) | $99 | PROPOSED |
| Chain creation on the main network (one-time) | $499 | PROPOSED |
| Hosting a chain (carrying) | from $249 per month, from go-live | PROPOSED — final quote per chain, against measured load |
A commercial chain joined to the family also carries a proposed carrying contribution — the greater of 2% of its gross service revenue or 10% of its net service profit, PROPOSED. That is a share of the chain's own service revenue (its subscriptions, catalog and API fees). It is never a percentage of coin trades: Twin runs no marketplace and takes no cut of coin sales.
Anchoring
| Tier | Proposed figure | Covers |
|---|---|---|
| Developer | $19 per month + $0.01 per anchor over the allowance | 1,000 anchors a month, API and webhooks, certificate bundle |
| Platform | $79 per month + $0.01 per anchor over the allowance | 10,000 anchors a month, priority queue, team accounts, audit export |
| Volume | Custom quote | Above 10,000 anchors a month |
A free starter tier (100 anchors a month) was drafted alongside these. It stands flagged in the house record: the fee-free list below is closed, so the starter tier is not offered unless the house rules it into that list. It is named here so the record is complete — not as an offer.
Premium read capacity
| Tier | Figure | Status |
|---|---|---|
| Public read door | $0 | Standing practice — rate-limited, no key, no service promise |
| Build | $49 per month | PROPOSED — keyed premium API, indexed history, webhooks |
| Scale | $249 per month | PROPOSED — higher quota and priority throughput |
Named but not yet priced: a custom domain, extra read capacity, a support agreement, the verification badge, and template audits. No figure exists for these yet — not even a proposed one — so none is shown.
What is fee-free — the whole list
Exactly two things, by ruling, and the list is exhaustive:
- Donations.
- The Citizens Wealth Organization — a separate organization, currently parked and not active.
Everything else the platform provides carries fees. That is deliberate: the fees are what power the platform itself, the same way fees work on Ethereum and Bitcoin.
What fees never are
- No fee is a share of coin trading. Twin is not an exchange, runs no marketplace, and takes no percentage of coin sales.
- No core-chain fee is paid to any person today — it is burned, in full.
- No fee buys a verdict. The attestation gate applies the same published criteria to everyone, and the verified badge cannot be purchased.
- No fee here is a price for a coin. The coins are not for sale, they carry no market price, and nothing on this page is an offer.
The plain-language summary of the terms these fees sit inside is the joining terms summary.