Clase 6 (wallets) Flashcards

1
Q

tipos de wallet

A

Custodial: tipo CeFi, ej binance o lemon
Semi-custodial: coinbase
Non custodial: user owned, ej Metamask

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2
Q

Custodial wallets

A

Not yourt keys, not your crypto
Por lo generar los exchanges suelen ser custodial
yo no tengo acceso a mis private keys

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3
Q

pros de custodial wallets

A

facil de setear
transferis gratis dentro de la plataforma
liquidez

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4
Q

contras custodial wallets

A

kyc (identity known)
censura
not on chain
vulnerabilidades

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5
Q

Non-custodial wallets

A

Your keys, your responsiblity
tengo private y public key

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6
Q

pros non custodial wallets

A

identificable (no se quien es el dueño de la wallet)
agnostica a plataforma
no tengo centralizacion en un provider

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7
Q

cons non-custodial wallets

A

soy 100% responsable
mala ux
curva de aprendizaje

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8
Q

Semi-custodial wallets

A

son contract addresses con logica custom
hay un set de addresses (EOAs) que pueden interactuar con ese contract para mandar txs

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9
Q

pros Semi-custodial wallets

A

customizability
mejor ux
enhanced security

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10
Q

cons Semi-custodial wallets

A

3d party risks
no tienen mucho soporte
deployar contratos es caro
problemas con multichain

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11
Q

wallets con mpc

A

divido la pk en varias keys y solo permito transacciones usando tss (algo asi como shamir secret)
es muy seguro y trae los beneficios de non custodial (salvo platform agnostic) pero trae 3rd party risks y no me puedo cambiar de provider

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12
Q

cuales son eoas

A

los exchanges operan con eoas (ellos tienen las sks)
las non custodial son eoas
las smart wallets a veces son eoas y a veces no

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13
Q

mnemonic phrase

A
  • coleccion de 12-24 palabras
  • usado para backup de wallets
  • palabras random de un diccionario de 2048 palabras
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14
Q

Hierarchical Deterministic wallets

A
  • Estructura de arbol: cada nodo tiene una pk y sk provista por sus padres
  • single mnemonic: puede ser usado por la hd wallet para generar pk/sk pairs
  • SK: si se compromete no compromete la familia entera del arbol
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15
Q

smart wallet

A
  • la wallet consiste en un smart contract
  • modulos que manejan differentes logicas
  • Account abstraction: los fondos estan controlados por smart contracts
  • no necesitan seed phrase
  • usuarios pueden setear transfer limits
  • posibilidad de freezear la wallet
  • requiere multiples firmas para aprovar las txs
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16
Q

limitaciones smart wallets

A

no soportan firmas EIP 1271
las contract accounts hoy en dia no pueden enviar txs
deployar el mismo contrato en varias chains no es trivial