THE process was that you find some one with an item and you trade them your item for there item until an update that occurred that wont let you trade items more that to cost of the other which is now called a trade limit
bartering
bartering
exchanging goods
The system of exchanging goods. A+
bartering
the system of exchanging goods
The system of exchanging goods. A+
Commerce can be defined as buying and and selling and exchanging of goods and service or it is the study of buying of goods and service
exchanging goods and/or services with the use of money
Trade is the answer for your question.
By exchanging goods and services - money had not been invented.
Barter