Could this mole be dangerous? (Photos)

I have a mole that is filled with blood and when it gets too filled up it just pops on its own and three days later it will be filled with blood again...should i be worried?It all started when it was a regular very dark black mole..i thought it was a black head and started picking at it..and it ever since then it has been like this..its been about 4 to 8 months already im not sure

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