# 8.4 Verifiable Settlement

Once a signed transaction is submitted:

* It is broadcast to the Litecoin network
* It is validated by proof-of-work
* It becomes part of the public ledger

Settlement in PTERI is:

* Publicly verifiable
* Deterministic
* Non-reversible by intermediaries

Any party can independently verify:

* That the transaction exists
* That it was correctly signed
* That it was settled on-chain

There is no reliance on:

* Internal databases
* Custodial confirmations
* Trust in Kakr Labs infrastructure

> The blockchain is the final arbiter.

***

### How Payments and Identity Come Together

In PTERI:

* Payments are not separate from identity
* Identity is not verified by credentials
* Authorization is not implicit

Everything reduces to: **UTXO + Signature + Verification**

This allows:

* Human payments
* Machine-to-machine payments
* AI agent execution
* Global, automated settlement

All using the same primitive.

***

<figure><img src="/files/jnDHVPUtU4xWf7pQ6Cao" alt=""><figcaption></figcaption></figure>


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