Category Archives: Blog

Protected: Gaze Coin – Virtual Worlds With A Decentralised Value Economy On The Ethereum Blockchain – Part 1

Posted on October 8, 2017 by bok

There is no excerpt because this is a protected post.

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SnipCoin Crowdsale Token Contract Audit

Posted on October 5, 2017 by bok

SnipCoin Crowdsale Token Contract Audit

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Gimli Crowdsale Token Contract Audit

Posted on September 23, 2017 by bok

Gimli Crowdsale Token Contract Audit

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ChronoLogic Time Minting Token Contract Audit

Posted on September 18, 2017 by bok

ChronoLogic Time Minting Token Contract Audit

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Cindicator Crowdsale Token Contract Audit

Posted on September 10, 2017 by bok

Cindicator Crowdsale Token Contract Audit

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LookRev Crowdsale Token Contract Audit

Posted on September 9, 2017 by bok

LookRev Crowdsale Token Contract Audit

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Ethereum Foos – A Curated List Of Costly Ethereum Mistakes To Learn From – WIP

Posted on August 22, 2017 by bok

Ethereum Foos – A Curated List Of Costly Ethereum Mistakes To Learn From – Work in progress.

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A Quick Look At Parity’s Token Registry Smart Contract

Posted on August 1, 2017 by bok

Created Mar 14 2017, last updated Mar 31 2018. Address: 0x5F0281910Af44bFb5fC7e86A404d0304B0e042F1

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A Quick Look At Parity’s Signature Registry Contract

Posted on August 1, 2017 by bok

Created Mar 14 2017, last updated Aug 1 2017. Address: 0x44691B39d1a75dC4E0A0346CBB15E310e6ED1E86

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20 ETH (And More) Bug Bounty On The ConsenSys Multisig

Posted on July 30, 2017 by bok

Update Sep 22 2017 – Remove WhitelistedMultisig from this bug bounty as it is not being used There was a vulnerability that allowed hackers to steal USD 30 million from the Parity multisig wallets last week. I work with clients … Continue reading →

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Aigang Network Presale Contract Audit

Posted on July 24, 2017 by bok

Aigang Network Presale Contract Audit

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Parity Multisig Recovery Reconciliation

Posted on July 21, 2017 by bok

Parity Multisig Recovery Reconciliation

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InvestFeed Crowdsale Audit

Posted on July 13, 2017 by bok

InvestFeed Crowdsale Audit

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Santiment’s Crowdsale Contract Audit

Posted on July 7, 2017 by bok

Santiment’s Crowdsale Contract Audit

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openANX Decentralised Exchange Token Sale Smart Contract

Posted on July 6, 2017 by bok

openANX Decentralised Exchange Token Sale Smart Contract

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Status Network Token Audit

Posted on July 3, 2017 by bok

Status Network Token Audit

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Dao.Casino Crowdsale Contract

Posted on June 28, 2017 by bok

Dao.Casino Crowdsale Contract

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FunFair Crowdsale Contract Audit

Posted on June 21, 2017 by bok

FunFair Crowdsale Contract Audit

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Another USD 35 Million BAT-s**t ICO 99.9995827118343% Over In Less Than 1 Minute

Posted on June 1, 2017 by bok

The first transaction 0x64438300… was submitted in block 3798640 at May-31-2017 02:24:35 PM +UTC. From batICOData.tsv, 99.9995827118343% of the 156250 ETH was contributed in the first 3 blocks to 3798642 at Wed, 31 May 2017 14:25:29 UTC. The last non-zero … Continue reading →

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Sikoba Announces the Launch of Presale ahead of its ICO

Posted on May 5, 2017 by bok

Sikoba Announces the Launch of Presale ahead of its ICO. I’m working with Sikoba.

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Tokencard ICO Bug Nets SNGLS Investors Up To 1,100% Extra

Posted on May 5, 2017 by bok

Tokencard ICO Bug Nets SNGLS Investors Up To 1,100% Extra. I am currently reconciling the numbers – see https://github.com/bokkypoobah/TokenCardICOAnalysis

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Encrypto Telecom Launches ICO To Bring Blockchain Technology To Global Telecommunications

Posted on May 5, 2017 by bok

Encrypto Telecom Launches ICO To Bring Blockchain Technology To Global Telecommunications The crowdsale is being partly powered by a smart contract built by yours truly – see https://github.com/bokkypoobah/CustomerDepositFactory.

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AUD 1 Million Traded On CryptoDerivatives.Market Today

Posted on May 4, 2017 by bok

From CoinMktCap:

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TokenCard ICO Raises USD 16.7 Million In 30 Minutes 13 Seconds

Posted on May 3, 2017 by bok

(work-in-progress) Note: Do not transfer your TKN tokens yet. There are some errors in the allocation of tokens and TokenCard may be deploying a new TKN token contract. See TKN Creation Event Updates and Found a major TokenCard ICO token … Continue reading →

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Gnosis Auction Ends In 10 Minutes 48 Seconds, Top 3 Contributions Comprising 50% Of Funds Raised Executed By BiddingRing Contracts

Posted on April 25, 2017 by bok

The Gnosis auction was filled in super quick time. 250,000 ETH (USD 12.5 million @ USD 50 / ETH) was contributed to the GnosisAuction smart contract from 623 unique accounts within 10 minutes and 48 seconds. As the dutch auction … Continue reading →

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Development, Testing And Security Audit Of The CustomerDepositFactory Smart Contract

Posted on April 16, 2017 by bok

See Customer Deposit Factory and Security Audit Of The CustomerDepositFactory Smart Contract.

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BetterAuction Smart Contract – Testing, Security Audit, And Assisting With The Development

Posted on April 16, 2017 by bok

See BetterAuction and Security Audit Of The BetterAuction Smart Contract.

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Less Than A Day Left For The DAO To ETC Refund Withdrawals. Update – Extended To Jan 10 2018.

Posted on April 15, 2017 by bok

(Originally written Apr 14 2017. Updated Apr 15 2017 with the news that the WhitehatWithdraw contract expiry has been extended to Jan 10 2018). News – Deadline Looms on Ethereum Classic DAO Withdrawals and The DAO Ethereum Classic Refund Effort … Continue reading →

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Assessing The ERC20 Token Exchange Withdrawal Bug / Exploit

Posted on April 7, 2017 by bok

Reddit post Worry-some bug / exploit with ERC20 token transactions from exchanges and the Golem post How to Find $10M Just by Reading the Blockchain. This problem seems to be about how the exchanges implement their withdrawal functions and seems … Continue reading →

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The Sikoba Presale Smart Contract Security Audit

Posted on March 23, 2017 by bok

(Created Mar 08 2017. Updated with test results Mar 14 2017. Updated with multisig wallet contribution test results Mar 23 2017.) I was asked to review the Sikoba presale smart contracts before the upcoming Sikoba presale crowdfunding event. This page … Continue reading →

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