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1 vote
Accepted

EIP-3448 really need the metadata length or is it optional?

From the article that you linked: It may seem odd to store the length of the metadata at the end, as ABI encoding typically stores length before the data begins, but in this case, it makes it easy ...
Pavel Fedotov's user avatar
1 vote

where does popular bridges keeps their private key in backend in dapps?

If you take security seriously you will use a Hardware Security Module. There are small usb devices, full computers and virtual cloud providers. In my experience some funders use hardware wallets, ...
Ismael's user avatar
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