> For the complete documentation index, see [llms.txt](https://railhood.gitbook.io/railhood-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://railhood.gitbook.io/railhood-docs/why-markets-go-off-market.md).

# Why markets go off-market

### Every serious market runs an off-market

This isn't a crypto idea. It's the oldest structural fact in finance: shown size gets traded against. Wall Street engineered around it decades ago. Public chains shipped a tape with no off-market — RAILHOOD is that missing layer.

### The number that explains everything

![FIG 1 · WHERE US EQUITY VOLUME ACTUALLY EXECUTES](https://3506126944-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FtlCeSg7ikIcaMHKqusLi%2Fuploads%2FA9HW8m4q6YSj5N6y9Yhp%2Ffig1-offexchange.png?alt=media)

Over 40% of US stock volume never touches a lit exchange. It executes off-exchange — in dark pools, on internalizers, at the desks Wall Street politely calls "the upstairs market." Robinhood's 28 million customers trade inside this structure every day, whether they think about it or not.

### Why the street built it

Because showing your order costs money. Post a $200M buy on a lit book and the price runs before you fill — that's market impact, and against fast counterparties it's a tax with no upper bound. So institutions built venues with no pre-trade transparency: work the order quietly, print the trade after. Dark pools aren't shady. They're what rational size does when the alternative is feeding the market a map of your intentions.

The pattern is older than electronics. Blocks got crossed upstairs by phone before they got crossed by servers. Bearer bonds, numbered accounts, the specialist's book only the specialist could read — finance has always kept a private layer, because markets stop working when every participant's hand is face-up.

### Even the banks' blockchain is private

When Wall Street finally built its own chain, look what it chose. Canton — the settlement network used by Goldman, HSBC, Société Générale, Broadridge, with JPMorgan bringing its deposit token and DTCC tokenizing Treasuries on it — moves trillions in tokenized securities monthly. Its defining feature is need-to-know privacy. Six hundred–plus institutions voted with their infrastructure: no confidentiality, no size.

### Then crypto printed everything

Public chains inverted the structure completely: one tape, fully lit, no off-market, history permanent. Radical transparency verifies the ledger — and hands every observer your balance, your flow, your counterparties, and your pattern, free of charge. The bill for that shows up as front-running and sandwiching: over a billion dollars extracted by bots reordering transactions they could see coming. On a transparent chain, everyone trades face-up against players who don't.

### RAILHOOD is the off-market for this chain

Robinhood Chain brought equities culture on-chain — 200+ stock tokens, 120+ countries, 24/7. RAILHOOD brings the other half of equities market structure: the place you go when you don't want to print your hand. One line of precision, because words matter here: RAILHOOD is not a dark pool or an ATS — it doesn't match orders or run a book. It's the settlement-privacy layer: the tape stays public, your position doesn't.

### The crosswalk

| TradFi                           | RAILHOOD                                      |
| -------------------------------- | --------------------------------------------- |
| Off-exchange execution           | Off-market balances in the pool               |
| Round lots                       | Standard sizes (0.001 – 100 ETH)              |
| The consolidated tape            | The public ledger                             |
| Market impact                    | Getting sandwiched / front-run                |
| Settlement agent                 | The relayer — submits your exit, pays the gas |
| Books & records for your auditor | Viewing keys                                  |
| Clean settlement confirm         | Clean-provenance receipt (attestation)        |


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