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Let's include Merkle Proof verification functionality to the Standard Library as a new module
## Motivation
Merkle Trees are used for efficient airdrops and overall are well adopted in smart con…
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**Github username:** --
**Twitter username:** --
**Submission hash (on-chain):** 0xed2957e5b0b759407d7413c033724a2c7963402e0d1982f084840e2a671331b3
**Severity:** high
**Description:**
**Description*…
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I want to start discussion about hash encoding.
For response types, a hash should be encoded as a String. Currently the NFT standard uses base64 for [hash encoding](https://nomicon.io/Standards/Token…
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so Alex can test when he’s integrating frontend with smart contracts so Alex can call out to fake ethereum and test the contracts
(Hard Hat)
ita-c updated
2 years ago
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**Github username:** @Madalad
**Submission hash (on-chain):** 0xec1b7ad92bf3ad91b04dd5724e4106942eebc0610138e215204336808154e693
**Severity:** low
**Description:**
**Description**\
A storage gap is …
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# Openzeppelin upgrades not working
## Description
Hi , I am trying to use upgradeable smart contracts on our polygon edge test instance.
I have used the example of openzeppelin upgradeable contra…
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### Summary
A complete, structured and easily perceived online course with a description of the TON blockchain architecture, syntax of the FunC smart contract language, an overview of available tools…
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Explain the mechanics of the contracts, both for smart contracts and for oracle git repos, in one single document which gather all the relevant info and explains them.
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# Handle
kenzo
# Vulnerability details
Lock manager can change key pricing.
The refund mechanism calculates refund according to current key price, not price actually paid.
## Impact
A user refund…
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**Github username:** @ArnieGod
**Twitter username:** arniesec
**Submission hash (on-chain):** 0x6f601c429f53e6ccc2d29a0319a0a48b505381278ccce25d8fb5ee2ea4044e08
**Severity:** high
**Description:**
*…