Silke Noa Profile picture
Aug 10 20 tweets 12 min read
1/20 Some thoughts on the ban of #TornadoCash by OFAC:
2/20 On 8/8/22, "TORNADO CASH", tornado.cash websites + some related smart contracts were added to the list of Specially Designated Nationals + Blocked Persons (#SDN List) under the OFAC's Cyber-Related Sanctions program [CYBER2]
3/20 #CYBER2 requires US persons to block the property and interests in property of persons added to the #SDN list. CYBER2’s legal basis is Executive Order (EO) 13757 (Dec 28, 2016), which amends EO 13694 (Apr 1, 2015). home.treasury.gov/system/files/1…
4/20 The accompanying Cyber Related Sanctions Regulations are found in 31 C.F.R. part 578: ecfr.gov/current/title-…. #OFAC's #CYBER2 #FAQs here: home.treasury.gov/policy-issues/…
5/20 Under CYBER2 persons are added to the SDN list who are:“..complicit in..cyberenabled activities originating from..outside the [US] [+]..have materially contributed to..a significant threat to the..economic health..of the [US] [with] ..causing a..misappropriation of funds...
6/20 Under CYBER2 persons are added to the SDN list who are: any person…(B) to have…provided…technological support for… any activity described in [the order]…
7/20 EO 13694 defines "person” as an individual or entity and “entity” as a partnership, association, trust, joint venture, corporation, group, subgroup, or other organization.
8/20 So what is the "entity" "TORNADO CASH"? Is the #TornadoCash code the person? Are the wallet addresses identifiers of that person? Or does #OFAC equate "TORNADO CASH" with the #TORN holders who participate in Tornado governance? Unclear.
9/20 According to #OFAC FAQ 448, #CYBER2 is “directed against significant malicious cyber-enabled activities..and are not..to prevent or interfere with legitimate cyber-enabled..activities.” (home.treasury.gov/policy-issues/…)
10/20 #TornadoCash is a neutral technology. Is neutral #privacy-preserving #tech not a legitimate cyber-enabled activity? A competent #court should be asked.
11/20 Though some #US politicians have implied that "TORNADO CASH" is the #Lazarus Group, this is WRONG. #TornadoCash is a neutral #Software - i.e. #protectedspeech -, and decisions about the software are taken by a #collective of token holders, a #DAO.
12/20 By adding #TornadoCash on the SDN List, does OFAC deem #softwarecode or alternatively a #DAO to be "complicit" in cyberenabled activities, such as the #Ronin hack? What does “complicit” mean? Can software code be complicit? What are the #intent requirements?
13/20 #CYBER2 requires that “all …interests in property [of a person on the #SDN list] that are in the [#US], that hereafter come within the [#US], or that are or hereafter come within the …control of any [US] person …are [to be] blocked and may not be … dealt in”.
14/20 So #CYBER2 asks US persons to block+not deal in the banned person's property. EO13694 defines a US person as any US citizen, permanent resident alien, entity organized under US laws or any jurisdiction within the US (including foreign branches), or any person in the US.
15/20 #NonUS persons have no such obligation under #CYBER2. But many persons believe they are non-US but actually fall within the expansive defintion of US-person.
16/20 But what does blocking+not dealing here mean? Does the addition of the smart contracts mean those are property of "TORNADO CASH"? Therefore any interaction with them is banned+any “blocking” in or of those contracts possible to a US person must be executed? Likely.
17/20 Does the obligations extend to property and property interests of "TORNADO CASH" not explicitly mentioned? Likely.
18/20 31 C.F.R. part 578 suggests that the US person’s obligations begin at the date of "TORNADO CASH" appearing on the #SDN list, i.e. 8/8/22. Accordingly, from 8/8/22 onwards. No #retroactiveeffect.
19/20 The #TORN token smart contract itself was not explicitly added to the SDN list: treasury.gov/ofac/downloads…. Does this mean that US persons can continue to transact in #TORN?
20/20 #TORN owned by a user cannot at the same time be the property of "TORNADO CASH". As CYBER2 deals with the property (+interests in property) of TORNADO CASH, it appears that TORN owned by 3rd parties (not used for governance) remains unaffected. [I might be wrong though.]

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More from @silkenoa

Aug 8
1/5 Privacy is a human right. Until today, anyone who wasn't keen on disclosing their token portfolio to the world used @TornadoCash. #OFAC today added @TornadoCash smart contracts to its Specially Designated Nationals And Blocked Persons List (SDN). home.treasury.gov/policy-issues/…
2/5 What does that mean? The list includes persons (and now seemingly smart contracts) with whom US persons must not transact. US persons are US citizens, permanent residents, persons in the US, entities organized under US laws or registered in US, incl. their foreign branches.
3/5 #OFAC may impose steep fines for violating sanctions on a strict liability basis, and this is why #OFAC is feared. Although there is no requirement for non-US persons to comply with most #OFAC sanction regimes, many non-US persons do anyway.
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