eSIM
Tokyo is a city you navigate from your phone, transfer by transfer, all day. Here is which network your eSIM roams on, what the speed caps really allow, and the plan that fits a week of trains.
eSIM
Standing on a kerb in the Old Quarter with a driver calling and no data is a very specific kind of bad. Here is which network a Hanoi eSIM roams on, what it costs per GB, and when a local Viettel SIM is the better buy.
eSIM
You are in Beijing for a week of sightseeing, not for a SIM queue at Daxing. Here is the carrier your eSIM roams on, what it costs per day and per GB, and the one setup step you cannot do after you land.
Events
Day 1 of TOKEN2049 Singapore is Wednesday 7 October 2026. Registration opens at 7:30am, the main stage starts at 9. Here is how to arrive, what to carry, where to eat and how to stay online on five floors.
Events
TOKEN2049 Week runs 5 to 11 October with hundreds of side events. Here is a simple system: one list, a goal, clusters by area, buffers, and a phone that stays online and charged.
Events
The part of TOKEN2049 nobody plans: the six hours between leaving home and your first coffee at Marina Bay. Here is what to do, in order.
eSIM
Nine days to ETHGlobal Tokyo, 13 to KBW Seoul, 21 to TOKEN2049. The eSIM you buy with USDT on Solana and install before you leave home.
Guides
Rio rewards people who know two things: which side of the tunnel they are on, and how the person selling them a beer on the sand wants to be paid. Here is the version locals would actually tell you.
Guides
São Paulo is not a city you see, it is a city you use. Here is how to move, work, eat and pay in it, whether you have four days of meetings or eight hours between flights.
Guides
Most visits to Brazil pass without incident. The few that go wrong tend to go wrong in the same handful of ways, and nearly all of them are avoidable with habits locals already have.
Guides
Brazil is more contactless than most visitors expect and more cash-dependent in exactly the places you will want to spend. Here is the practical version: what to tap, what to carry, and the two moments that quietly cost you money.
Guides
A beach vendor points at a laminated QR code and says the machine is broken. In Brazil that moment happens a lot, and Pix is the reason. Here is what a foreign visitor can actually do about it.