DDBD
AI exchange matching · Deal guarantor

From a paperclip —
to your goal

The neural network builds an exchange chain of up to 5 participants and helps you swap your things and services for what you want — no money involved. Safe and under the guarantor's control.

up to 5
participants in a chain
6
interface languages
₽0
for the exchange itself
Sample chain
📎You givea paperclip
🖊️You geta pen
📚Swap fora book
🎧In the endheadphones
🎯Your goalachieved
Exchange fairness: 92/100 · AI rating

How it works

Four steps from your item to what you want.

  1. 01

    Tell us what you have and what you want

    Add a lot and a wish — in plain text. The neural network handles the rest.

  2. 02

    AI builds the chain

    The algorithm finds a direct swap or a circular chain of up to 5 participants.

  3. 03

    The guarantor runs the deal

    Every step is under control: confirmation of shipping and receipt.

  4. 04

    You got what you wanted

    From a paperclip to your goal. Mutual reviews close the deal.

Fresh lots

More →

Why DDBD

🔗

Chains of up to 5 participants

No direct swap found? The AI assembles a circular chain where everyone gets what they want.

🛡️

Deal guarantor

The platform controls each stage and helps resolve disputes — exchanges are fair and safe.

💸

No money

Swap item for item and service for service. A surcharge applies only for unequal exchanges.

🌍

6 languages

Русский, English, Español, 中文, Deutsch, العربية — with RTL support.

Frequently asked questions

What is a barter chain?+

It's an exchange among 3–5 participants in a loop: you give your item to one person and receive what you want from another. The neural network finds such chains automatically.

How much does an exchange cost?+

The exchange itself is free. The platform charges a small guarantor fee for facilitating and insuring the deal; a premium subscription expands your limits.

How is my data protected?+

Personal data of Russian citizens is stored in Russia (Federal Law 152-FZ). Your exact delivery address is visible only to the counterparty in a confirmed deal.

What if a partner doesn't ship the item?+

The guarantor pauses the chain, opens a dispute, and applies penalties. For long chains, an insurance deposit may be required.

Start exchanging today

Add your first lot — the neural network will find exchange options and build a chain to your goal.