Claims

Qualified triples from the transcripts. Origin, speaker, and evidence stay attached. These are not independently verified facts.

house deletion exploit EXPLOITS house ownership validation flaw

The house-deletion exploit worked because the server did not properly verify that the sender owned the targeted house.

Derived Confidence 98% · Manfred EP 8 Details

“the server doesn’t check if you’re the owner of this house when you send the delete packet”

Manfred · offsets 4295–4385

Manfred EXPLOITS Integer overflow

Manfred used integer-overflow behavior to obtain extreme character attributes and duplicate item quantities.

Explicit Confidence 98% · Jack Rhysider EP 8 Details

“This resulted in him getting two billion potions.”

Jack Rhysider · offsets 16950–16999

Manfred EXPLOITS Integer overflow

Manfred exploited integer-overflow bugs in multiple online games, including Anarchy Online and Final Fantasy titles.

Explicit Confidence 99% · Jack Rhysider EP 8 Details

“He found an integer overflow bug”

Jack Rhysider · offsets 15504–15536

“He found numerous integer overflow exploits in this game”

Jack Rhysider · offsets 16141–16197

Ultima Online house deletion fiasco INVOLVES house deletion exploit

The Ultima Online house-deletion fiasco involved the exploit used to delete large numbers of houses.

Derived Confidence 99% · Jack Rhysider EP 8 Details

“created a new character. He ran around the game deleting every house he could find”

Jack Rhysider · offsets 10784–10867

Ultima Online house deletion fiasco INVOLVES Ultima Online

The house-deletion fiasco occurred in Ultima Online.

Explicit Confidence 99% · Manfred EP 8 Details

“Shortly after the Ultima Online house deletion fiasco”

Manfred · offsets 12305–12358

Lineage server hacking campaign TARGETS Lineage II

The Lineage server hacking campaign targeted Lineage video game servers.

Explicit Confidence 99% · Jack Rhysider EP 8 Details

“were caught hacking into the Lineage video game servers”

Jack Rhysider · offsets 21915–21970

Manfred USES hex editor

Manfred inspected Sim City save files with a hex editor and changed values to alter the game.

Explicit Confidence 99% · Jack Rhysider EP 8 Details

“I decided to load the file into a hex editor.”

Jack Rhysider · offsets 420–465

Manfred USES online-game client reverse engineering

Manfred reverse-engineered the Ultima Online client.

Explicit Confidence 98% · Jack Rhysider EP 8 Details

“he started tinkering and reverse-engineering the client”

Jack Rhysider · offsets 1994–2049

Manfred USES Dark Age of Camelot

Manfred used a duplication bug in Dark Age of Camelot to duplicate characters, items, and gold.

Explicit Confidence 99% · Manfred EP 8 Details

“I’d cause myself to log in again without logging out the previous character”

Manfred · offsets 12706–12781

Manfred USES instance-crash duplication exploit

Manfred used an instance-crash exploit to duplicate items and gold in Asheron’s Call 2.

Explicit Confidence 98% · Jack Rhysider EP 8 Details

“when they’d both log back in they’d both have the exact same items”

Jack Rhysider · offsets 15332–15398

Manfred USES character duplication exploit

Manfred used the duplication exploit to create duplicated inventory and sell virtual goods.

Explicit Confidence 99% · Manfred EP 8 Details

“started selling Dark Age of Camelot platinum and items on eBay”

Manfred · offsets 13843–13905

Manfred USES Sim City

Manfred modified Sim City save-game data, including the in-game money amount.

Explicit Confidence 99% · Jack Rhysider EP 8 Details

“I had given myself 100 billion in game dollars.”

Jack Rhysider · offsets 880–927

Manfred USES vendor item-ID manipulation

Manfred used vendor item-ID manipulation to buy or sell items at altered prices.

Explicit Confidence 98% · Jack Rhysider EP 8 Details

“he could change the item ID the vendor was selling and buy any item he wanted for any price he wanted”

Jack Rhysider · offsets 15770–15871

Manfred USES house deletion exploit

Manfred used the house-deletion exploit to delete other players’ houses.

Explicit Confidence 99% · Manfred EP 8 Details

“I started deleting players’ homes of rival guilds”

Manfred · offsets 4706–4755

Manfred USES eBay

Manfred used eBay to sell Ultima Online houses and Dark Age of Camelot virtual goods.

Explicit Confidence 99% · Manfred EP 8 Details

“That’s when eBay came into play.”

Manfred · offsets 5877–5909

Manfred USES ige.com

After eBay banned virtual-goods sales, Manfred sold directly to the Chinese supplier ige.com.

Explicit Confidence 99% · Manfred EP 8 Details

“I started selling directly to a Chinese supplier back then. It was ige.com.”

Manfred · offsets 14279–14355

Manfred USES auction-bid arithmetic overflow

Manfred used an auction-house bid arithmetic overflow to generate in-game platinum in WildStar Online.

Explicit Confidence 98% · Manfred EP 8 Details

“you’d create a maximum signed 64-bit integer bid”

Manfred · offsets 17111–17159

Manfred USES packet manipulation

Manfred manipulated Ultima Online packets while investigating game behavior.

Explicit Confidence 98% · Jack Rhysider EP 8 Details

“and manipulating the packets”

Jack Rhysider · offsets 2050–2078

Manfred USES in-app purchases

Manfred characterized his virtual-goods business as providing in-app purchases before that model became common.

Explicit Confidence 98% · Jack Rhysider EP 8 Details

“providing players with in-app purchases before in-app purchases were a thing”

Jack Rhysider · offsets 15980–16060

Unspendable Bitcoin address bug AFFECTS Bitcoin

A programming error caused withdrawals to be sent to unspendable Bitcoin addresses, effectively destroying the coins.

Explicit Confidence 99% · Kim Nilsson EP 9 Details

“That meant that a number of withdrawals actually sent Bitcoins to unspendable addresses, which is the same as destroying Bitcoins.”

Kim Nilsson · offsets 18848–18978

Mt. Gox ASSOCIATED_WITH CoinLab

Mt. Gox agreed to use CoinLab to handle North American transactions, but the arrangement later resulted in a breach-of-contract lawsuit.

Explicit Confidence 99% · Jack Rhysider EP 9 Details

“Mt. Gox wanted to expand into the US so it agreed to use a company called CoinLab to handle all North American transactions.”

Jack Rhysider · offsets 20432–20556

Bitcoin ASSOCIATED_WITH Blockchain

Jack explains that the blockchain is the public record storing all Bitcoin transactions.

Explicit Confidence 99% · Jack Rhysider EP 9 Details

“The blockchain is the public record that stores all Bitcoin transactions.”

Jack Rhysider · offsets 4205–4278

Alex Vinnik ASSOCIATED_WITH Mt. Gox

Evidence showed Alex Vinnik had some Bitcoins stolen from Mt. Gox, but Jack explicitly cautions that this does not establish that Vinnik stole them; he was accused of laundering them.

Uncertain Confidence 97% · Jack Rhysider EP 9 Details

“evidence shows that he had some of the Bitcoins that were stolen from Mt. Gox. However, just because he had them doesn’t mean he stole them.”

Jack Rhysider · offsets 24051–24192

Mt. Gox hot-wallet theft COMPROMISES Mt. Gox hot wallet

Someone with access to the system stole Mt. Gox's hot-wallet file and then moved the Bitcoin to another wallet.

Explicit Confidence 99% · Kim Nilsson EP 9 Details

“The hot wallet, wallet.dat got stolen by someone with access to the system.”

Kim Nilsson · offsets 15876–15951

Mt. Gox DEVELOPED_BY Jed McCaleb

Jed McCaleb reused the mtgox.com domain to start Mt. Gox and personally created the site from scratch.

Explicit Confidence 99% · Jack Rhysider EP 9 Details

“Jed McCaleb took an interest in Bitcoin and he had an old domain lying around called mtgox.com”

Jack Rhysider · offsets 2079–2173

“He was a web developer and personally created the site from scratch.”

Jack Rhysider · offsets 6991–7059