> For the complete documentation index, see [llms.txt](https://solvency.gitbook.io/picoin/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://solvency.gitbook.io/picoin/distributed-network/p2p-networking.md).

# P2P Networking

Picoin is evolving toward a distributed peer-to-peer architecture.

The network is designed to support:

* peer discovery;
* block propagation;
* transaction propagation;
* distributed synchronization;
* validator communication.

Future versions are expected to support fully distributed networking between independent nodes.

***

###  Node Types

Picoin supports multiple specialized node roles.

#### Full Nodes

Full nodes:

* synchronize blockchain state;
* validate blocks;
* maintain chain integrity.

#### Miner Nodes

Miner nodes:

* execute Proof of Pi computation;
* generate commitments;
* propose blocks.

#### Validator Nodes

Validator nodes:

* verify samples;
* approve blocks;
* contribute to consensus.

#### Auditor Nodes

Auditor nodes:

* execute retroactive audits;
* verify historical integrity;
* detect inconsistencies.

***

###  Gossip Protocol

Picoin is evolving toward distributed gossip propagation.

The protocol is expected to propagate:

* blocks;
* transactions;
* validator votes;
* audit requests;
* governance proposals.

Gossip networking is designed to improve:

* decentralization;
* fault tolerance;
* synchronization.

***

###  Mempool

The Picoin mempool is designed to temporarily store pending network actions.

Future mempool functionality may include:

* pending transactions;
* scientific jobs;
* staking requests;
* governance actions.

The mempool is expected to support distributed transaction propagation across nodes.

***

###  Peer Discovery

Peer discovery is designed to allow nodes to locate and connect to network peers.

Future networking versions may include:

* bootstrap peers;
* peer registries;
* heartbeat systems;
* peer reputation.

***

### Wallets

Picoin wallets are designed to support:

* transaction signing;
* staking;
* treasury interaction;
* scientific compute participation.

The protocol currently uses Ed25519 cryptographic signatures.

Future versions are expected to support:

* wallet import/export;
* balance queries;
* transaction history;
* distributed signing workflows.


---

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