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https://www.docdroid.net/Jug5LX3/ledger-receive-address-attack.pdf
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https://trezor.io/
. Accessed 1 Sept 2018
4. Alois, J.: Ethereum parity hack may impact ETH 500.000 or 146 million (2017).
https://www.crowdfundinsider.com/2017/11/124200-ethereum-parity-hack-may-impact-eth-500000-146-million/
. Accessed 1 Sept 2018
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https://eprint.iacr.org/2017/1124