Documented history · January–April 2010

Nine Participants and the First Trade: How Bitcoin Market Began

At the start of 2010, Bitcoin had no familiar order-book market. Bitcoin Market gave buyers and sellers a place where their own offers could determine a price.

The forum announcement

On January 15, 2010, a forum participant using the name dwdollar announced that he was building a place to trade bitcoin. The project became known as Bitcoin Market.

The plan was not to dictate one price. People would buy and sell BTC from one another, allowing a price to emerge from their competing offers.

This was a move away from one person’s calculated exchange rate toward an order book shaped by the actions of buyers and sellers.

Practice funds came first

On February 6, the developer presented an early demonstration. A new account received 10 fictional monetary units and 10,000 fictional bitcoin.

No real funds were involved. The demonstration tested how orders were placed and matched. Only limit orders worked: each participant chose the price at which they were willing to buy or sell BTC. Market orders were promised for a later version.

A visitor found a security problem

A few days later, a forum participant noticed a serious flaw: a user’s password appeared in the profile and seemed not to be stored with adequate protection.

On February 9, the developer acknowledged the problem, took the site offline, and said the data storage would be rebuilt. Public discussion exposed the weakness before the service had a substantial user base.

The episode also made a basic distinction clear: Bitcoin’s rules do not automatically secure websites, databases, or the decisions of their operators.

The first real trade

On March 17, 2010, dwdollar reported that nine people had registered. Three had made deposits; including the operator, four participants had funds in the system.

That same day, he reported the first real trade, completed around noon. The scale was almost domestic, but the mechanism could already bring two people together through orders and let them agree on a BTC price.

This was not yet a modern exchange

The settlement process changed in April. A buyer sent payment directly to the seller through PayPal. Bitcoin Market held the BTC until the seller confirmed payment, then released it to the buyer. If the trade failed, the BTC was returned to the seller.

The result was a hybrid system:

• orders were matched on the platform;
• the conventional payment used an outside service;
• the Bitcoin Market operator temporarily controlled the BTC;
• completion depended on confirmation from the seller.

The platform helped participants find one another, but it required trust in several parties at once.

Why this history matters

Bitcoin Market did not change Bitcoin’s network rules. It addressed a different problem: helping people discover a price and complete trades.

The surviving thread records the process almost step by step:

1. a public announcement of the idea;
2. testing with fictional funds;
3. discovery of a security flaw;
4. a temporary shutdown and repair;
5. the first real deposits and trade;
6. a search for a workable settlement model.

Bitcoin did not develop from a finished plan. Tools grew around it one decision at a time, and each tool introduced new risks alongside its new possibilities.

The market began not with charts and large volumes, but with test orders, a discovered flaw, and one trade among a handful of participants.

Historical and educational material. This account is based on the surviving forum thread maintained by Bitcoin Market’s creator; it is not investment advice.

Unless stated otherwise, the text, conclusions, structure and editorial arrangement were created by the project editors. Facts, quotations and source materials remain attributable to their authors and rights holders.