Slides: Building safe Payment Infrastructure for the autonomous economy — Steve Kaliski, Stripe
Source Video
Building safe Payment Infrastructure for the autonomous economy — Steve Kaliski, Stripe
Relationship To World's Fair 2026
These slides are extracted from a public AI Engineer YouTube video connected to World's Fair 2026. Speaker-matched clips are supporting context unless later confirmed as exact session recordings; official livestream recordings are day-level/event-level source material.
Related Scheduled Sessions
- No individual scheduled session mapping has been assigned yet; treat this as an event livestream deck.
Extracted Slides
OCR text:
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OCR text:
Software Engineer @ Stripe “ue
Spent 4 years leading our Issuing
- Spent last 2 years helping robots
spend
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| = Engineering the future of Al
OCR text:
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OCR text:
Problems mee
01 Wrong place
ae 02 Wrong thing
ors 03 Wrong amount
04 Wrong credential
= | ¥ | Engineering the future of Al
OCR text:
SharedPaymentTokens
stripe
"id":"spt_1RgaZcFPC5QU06ZCOVZuVA8q"
"created":1751500820,
AIE
"deactivated_at":null,
"deactivated_reason":null,
"usage_linits":{
"currency":"usd"
"expires_at":1751587220
"nax_anount":1000
"seller_details"
"network_id":
"nerchant_nane"
AlEngneer
Engineering the future of Al
OCR text:
97R
1index.ts×
AI-DEMO
.claude
spt)Ts(ndex.ts)
dse
mep
spt
claude
try
vscode
const paymentIntent-soit sellerStripe.paymentIntents.create（{
node_modules
currency:"usd",
amount:5oe0,
NUWO
Tsnde.ts
MtGrantedToken.id
AIE
(1paciage-lock.json
confirm:troe,
payment_method:"pn_card_visa",
(1packagejson
!pepm-lock.yaml
autoeatic_payment_methods:(
Fstcho
enabled:true,
tsconfigjon
allow_redirects:“never",
console.log（"Payment intent created:",paymentIntent))
)catch（error）（
console.error("Error creating payment intent:",error):
throwerror:
OUTLINE
TIMELINE
VmanO
Ln5,Col15ps:2UTF-5
AlEnginoer
AlEngineer
2O28
EUROPE
OCR text:
spt npx tsxindex.ts
AIE
AlEnginoer
Engineering the future of Al
OCR text:
, a a en Ce | Ce © cr red ra’ my i a aR
; Te Erie
ee ee
as aa
Pela paynent_eethod. details: {
* ad cord: (
brand: ‘vise’,
* 5d country: ‘US’,
display.beand: ‘visa’,
* va epszomh: 4,
cad exp_yeor: 2027,
fingerprint: ‘thfEL TcD4sZV6Gpe',
funding: ‘credit’,
generated from: mull,
lasta: '4242*,
netaork_tokendetotls: rutt,
networks: (Object),
regulated status: ‘unregulated’,
three_d_secure_usage: null,
wollet: null
}
type: ‘card
,
Te]. a |
ae
PRS q
ae Engineering the future of Al
en ‘
OCR text:
Machine Payments Protocol a
_
ay a
| - | | AlEngineer |
aa aad
OCR text:
IPV6::1
Host localhost:4242was resolved.
mpp pnpn run dev
IPv4:127.0.0.1
mpp-rest-node-typescripte dev/Users/stevekoliski/stripe/ai-demo/mpp
Connected tolocalhost（:1）port 4242
Trying[::1]:4242...
tsxmain.ts
GET/paidHTTP/1.1
injectingerv（1)from.env
Host:localhost:4242
User-Agent:curl/8.7.1
Server1istening athttp://Localhost:4242
Accept：/*
CreatedPaymentIntentpi_3TKJkuA4XFULvrcoe0JBLo21 forSe.e1->ex8a39b0e
d41Fd88337b634659C71EB10aff696806
Request completely sent off
CreatedPaymentIntent pi_3TKJkeA4XFULvrc@BoRDapmU for S0.01->Bx8a39bDe
AIE
<HTTP/1.1402Payment Requiredl
d41Fd88337b634659C71EB18aff696806
<mW-Authenticate：:Paymentid=15nJQCyoaXueKpcrUtZo1LSa32bnN1wpGg33kz19CFA
8",realn="localhost°，method="tempo"，intent="charge”，request="eyJhbw91b
mppclear\
nQi0iIxMDAwMCIsImN1.cnJ1bmNSIjoiMHgyMGMMDAwMDAwMDAMDAwMDAwMDAMDAwMDAwMDA|>
DAwMDAMDAwIwibVeaG9kRGVemWscyI6ey]jaGFpbkLkIjoMjQzMXesInJ1Y21mVud
CI6Ij840GEzORJEZWQeMUZk0OAzMzdiNjMENjUSQzCxRUIxMGFmZjY5NjhENi39°,expires=
mpppnpn run de
mppcurlhttp://Localhost:4242/free-v
mppclear
*2026-04-09T15:26:28.089Z"
<Cache-Control:no-store
mpp pnpe run dev
<Content-Type:application/problem+json
<Content-Length：192
mpp-rest-node-typescripte dev/Users/stevekaliski/stripe/ai-demo/mpp
<Date:Thu,09Apr 202615:21:28 GMT
tsxmain.ts
<Connection:keep-alive
<Keep-Alive:timeout=5
injectingenv（1)fromenv//tip:-auth forogents
Connection# to hostlocalhostleftintact
Serverlisteningathttp://localhost:4242
CreatedPaymentIntent pi_3TKKOZA4XFULvrc@1WqwnFxl for S0.01->ex8a39bDe
nt Required",status":402,"detail":“Payment is required.
d41Fd88337b634659C71E818aff696806
5nJQCyoaXueKpcrUtZo1LSa3ZbrN1wpGg33kz19CF8}
mpp
AEnginoer
Engineering the future of Al
Slide-Derived Subjects To Review
Subject extraction uses video title, related session titles/descriptions, transcript context, and OCR text when available. OCR is best-effort and should be reviewed against the embedded slide images.