does this cpu have pins or contacts?

This CPU uses the LGA 1200 socket type, which means it has contact pads rather than pins.

does it come with a thermal paste/compound?

The product includes a heatsink and fan, but it does not specifically mention the inclusion of thermal paste or compound.

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Intel Core i3-10100F - Core i3 10th Gen Comet Lake Quad-Core 3.6 GHz LGA 1200 65W None Integrated Graphics Desktop CPU Processor - BX8070110100F