I received 0.0005 BTC to an address I've never released to anybody. So, how could it have happened?
The transacction is
https://blockchain.info/tx-index/5877488/3a6af6374408fcbe36aafc14804d61b12c96912c2fd4e43bf0cfdf910fcff7aaAs you can see there are a lot tx with litle amount of BTC.
Could it be a BTC cleanning operation or something?