u/Gullible-Tale9114

▲ 107 r/Coinbase

an X user just tricked Grok into sending them $200k in crypto by hiding the instruction in morse code. new exploit category??

so this happened a couple days ago and i can't stop thinking about it.

an X user sent a Bankr Club Membership NFT to Grok's wallet, which expanded Grok's permissions inside the Bankr trading bot system. then they prompted Grok to translate a morse code message and pass it to Bankrbot. the decoded message was a transfer instruction. Bankrbot processed it as a valid command. 3 billion DRB tokens (~$200k) sent to the attacker's wallet on Base. attacker dumped immediately, deleted the X account, walked.

morse code. this is where we are now.

the lesson isn't that Grok is dumb. the leson is we've started giving AI agents wallet permissions and the attack surface is enormous. an AI with wallet access. permissions that expand via NFT transfers. trust relationships between AI systems. translation features that don't sanitize output. each is a normal feature in isolation. combined, it's a disaster.

every additional layer of integration adds attack surface. AI agents are a maximum-integration play. they read prompts, parse contexts, hold credentials, talk to other systems, execute on-chain. each interface is a potential injection point.

what protects you from this while swapping. simple immutable contracts.

take Sushi's AMM pools as the textbook example. immutable code. no AI in the loop. no permission system to expand. no translation feature to abuse. you swap, the math executes, done. you can't social-engineer a smart contract that has no admin functions, because there's nothing to talk to.

we keep finding out the hard way that LLMs can be tricked. prompt injection has been a known issue for years. now we're stapling wallets to LLMs and expecting it to be safe.

how worried should we be about the broader AI-agent-wallet pattern?

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u/Gullible-Tale9114 — 16 days ago
▲ 14 r/defi

been thinking about this for weeks and finally just going to say it.

most of "DeFi" right now is CeFi cosplay.

the test is simple. can a small group of people drain user funds with a vote, an upgrade, or an admin key? if yes, it's not DeFi. it's a committee with a website and a token.

doesn't matter how decentralized the marketing copy is. if there's a button somewhere that can move user money, the protocol fails the test.

the Balancer exploit made it impossible to ignore. attacker drained $48M in ETH and converted it to BTC over three days. the question isn't whether they get the funds back. the question is how a "decentralized" protocol had that single point of failure to begin with.

what passes.

raw Uniswap V2 pools. immutable contracts, no admin, no upgrade path. if Uniswap Labs disappeared tomorrow the pools would keep working forever. that's the actual standard.

what fails.

anything with an upgrade proxy. anything where a multisig can pause withdrawals. anything where governance can vote to seize funds. half the lending protocols. a shocking amount of stuff that has a SAFU page.

the honest middle ground.

most OG DeFi names from 2020 to 2021 are partial. Sushi is a clean example. AMM pools are immutable so LP funds can't be drained by a multisig. that part passes. but they have a treasury multisig and an operations multisig that can approve contract changes. trading layer is real DeFi. the org around it has trust assumptions.

most protocols are like this. trustless cores wrapped in trusted operational layers. that's not necessarily bad. but it's not the same thing as Uniswap V2 and we should stop pretending it is.

we need a sharper word for the immutable stuff or we need to stop letting the rest call itself DeFi. right now the term covers everything from raw permissionless contracts to lending protocols with upgrade keys held by a foundation. that's not useful.

genuine question. which protocols do you actually trust to be admin-key-free? not the ones with good marketing. the ones where you've actually checked the contracts.

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u/Gullible-Tale9114 — 19 days ago
▲ 0 r/defi

bought my first ETH on Coinbase in 2021 and have basically lived in the app since.

simple, regulated, my mom could use it. honestly never had a reason to leave.

last month i wanted to buy a smaller alt that isn't listed on Coinbase. figured i'd finally see what all the DeFi people were yapping about.

set up a wallet. bridged some ETH. did a few swaps on a DEX.

here's what surprised me.

Coinbase is straight up better at most things. customer support exists. tax forms come pre-filled. the UI doesn't require a PhD. fiat on and off ramps are immediate.

for 90 percent of what most people do, Coinbase wins on UX by a mile. i'm not switching.

but the part nobody told me. fees on the DEX were lower than i expected. the routing was fast. and the selection of tokens is wider than what's listed on Coinbase by an order of magnitude.

i traded into stuff that probably never gets listed on a CEX. some was junk. a few were interesting.

then i did the thing that actually pissed me off.

i looked up the DEX i used (SushiSwap, an OG one from 2020). their protocol has done hundreds of billions in cumulative trading volume. they launched a perps product last month. they're on 40 plus chains.

market cap of the SUSHI token is around $60M.

sixty. million. for a protocol with that kind of footprint.

meanwhile there are tokens listed on Coinbase with bigger market caps that have done a tiny fraction of the volume.

if i had stayed inside the Coinbase app i would have never even known this layer of the market existed.

i'm still using Coinbase for most things. but it's weird realizing how much of crypto is invisible to you if a CEX is your only window into it.

anyone else who started on Coinbase eventually start using DEXs alongside it

reddit.com
u/Gullible-Tale9114 — 19 days ago

bought my first ETH on Coinbase in 2021 and have basically lived in the app since.

simple, regulated, my mom could use it. honestly never had a reason to leave.

last month i wanted to buy a smaller alt that isn't listed on Coinbase. figured i'd finally see what all the DeFi people were yapping about.

set up a wallet. bridged some ETH. did a few swaps on a DEX.

here's what surprised me.

Coinbase is straight up better at most things. customer support exists. tax forms come pre-filled. the UI doesn't require a PhD. fiat on and off ramps are immediate.

for 90 percent of what most people do, Coinbase wins on UX by a mile. i'm not switching.

but the part nobody told me. fees on the DEX were lower than i expected. the routing was fast. and the selection of tokens is wider than what's listed on Coinbase by an order of magnitude.

i traded into stuff that probably never gets listed on a CEX. some was junk. a few were interesting.

then i did the thing that actually pissed me off.

i looked up the DEX i used (SushiSwap, an OG one from 2020). their protocol has done hundreds of billions in cumulative trading volume. they launched a perps product last month. they're on 40 plus chains.

market cap of the SUSHI token is around $60M.

sixty. million. for a protocol with that kind of footprint.

meanwhile there are tokens listed on Coinbase with bigger market caps that have done a tiny fraction of the volume.

if i had stayed inside the Coinbase app i would have never even known this layer of the market existed.

i'm still using Coinbase for most things. but it's weird realizing how much of crypto is invisible to you if a CEX is your only window into it.

anyone else who started on Coinbase eventually start using DEXs alongside it

reddit.com
u/Gullible-Tale9114 — 21 days ago
▲ 1 r/defi

been thinking about this for a while and can’t shake it

you’ll see random coins with no product no users no history run hard off a story

then something like SUSHI just sits there. been around since 2020. real protocol. real users. real volume over the years. not some ghost token with only tweets behind it

i held some SUSHI for a bit and looked into the staking side more. when you stake it you get xSUSHI. Sushi uses a portion of fees from certain pools to buy back SUSHI and that value goes back to xSUSHI holders. it’s tied to actual protocol activity, not just printing rewards out of nowhere

that system was paused during the bear market when they needed treasury revenue, then brought back again in 2024

so the question i keep coming back to is why do tokens with actual fee sharing get treated like dead projects while coins with nothing behind them can fly

and yeah i know SUSHI has issues. competition is brutal. DeFi isn’t the hot thing every cycle. governance drama happened. token is way below old highs

but still if a protocol has volume fees and a live product shouldn’t that matter at least a little when markets price it

or is crypto just stories first fundamentals later

curious what people think because i genuinely go back and forth on this

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u/Gullible-Tale9114 — 22 days ago