I2p-cp May 2026

: The router builds inbound tunnels and requests a "LeaseSet" from the client. This LeaseSet serves as a signed set of "entry points" that other peers can use to reach the application anonymously. Key I2CP Message Types Message Type SendMessage

Notifies the client that a new message has been received from the network. i2p-cp

: The client sends a protocol version byte (typically 0x2A ) to ensure compatibility. : The router builds inbound tunnels and requests

I2CP is essential for the I2P ecosystem because it provides a consistent API for various programming languages. While the primary I2P router is written in Java, I2CP allows clients written in C++, Python, or Go to interface with it seamlessly. This has enabled the integration of I2P into diverse projects, such as the Monero cryptocurrency for transaction privacy. : The client sends a protocol version byte

: I2CP handles the high-level requests from applications (e.g., "send this data to this destination") and translates them into the lower-level tunnel and Garlic routing mechanisms used by the I2P network.