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2 votes
2 answers
158 views

Can a contract check an existing transaction for validation?

I am new to smart contract development so any help or guidance is appreciated. I am thinking of creating a contract that checks if a certain transaction has already been done for validation. Is that ...
1 vote
0 answers
400 views

Token Transfer - Pending Verification for + 72H

I'm currently working on a project that sends mass ethereum token transfers using web3.js and GETH. On the 1st of December we've sent around 3000 payments but only 80 have been confirmed until now ...
1 vote
1 answer
4k views

Lost ETH sent from Bitstamp [closed]

I sent 3.99 eth to address 0x2cd41e1ba0bb66d3c05eaf8ee031e0c1f8866183 This address was provided by coinexchange.io. This is what I see from them now: "Internal Transactions Please note we do not ...