Does every node hashave a whole copy of the blockchain?

As iI read herein this blog article, in a blockchain "each node the has a copy of all transactions ever made". This to me seems impossible, bitcoin has existed for a long time, and the memory size of the entire blockchain would be enormous.

ps: if iI have to pay for a service using bitcoins, do iI become a node of the blockchain ?

Corrected typo: intere -> entire and another small grammatical mistake.

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edit approved Aug 16, 2022 at 14:14

NNNComplex

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As i read here, in a blockchain "each node the has a copy of all transactions ever made". This to me seems impossible, bitcoin existshas existed for a long time, and the memory size of the intereentire blockchain would be enormous.

ps: if i have to pay for a service using bitcoins, do i become a node of the blockchain ?