{"headers":{"Content-Type":"application\/x-www-form-urlencoded"},"body":"source_lang=&target_lang=PT-PT&tag_handling=xml&split_sentences=1&preserve_formatting=1&text=What+are+smart+contracts%3F&text=Blockchain+technology+provides+users+around+the+world+with+a+means+to+issue+peer-to-peer+transactions%2C+but+how+are+agreements+facilitated%3F+We+dive+to+unpack+smart+contracts+and+their+potential+use+cases.&text=While+blockchain+technology+has+introduced+the+capability+for+users+around+the+world+to+conduct+peer-to-peer+transactions%2C+another+problem+for+monetary+systems+to+consider+is+how+to+facilitate+complex+financial+agreements.+For+%3Ca+href%3D%22https%3A%2F%2Fwww.coininsider.com%2Fpt-pt%2Fbitcoin-profit%2F%22%3Ecryptocurrency+users%3C%2Fa%3E%2C+the+absence+of+a+central+bank+of+regulator+means+that+agreements+must+always+be+created+with+trusted+parties%2C+as+refunds+or+guarantees+cannot+necessarily+be+issued.%0A%0AThe+term+%27smart+contract%27%2C+as+first+coined+by+Nick+Szabo%2C+refers+to+a+protocol+designed+to+digitally+facilitate+or+enforce+the+performance+or+negotiation+of+an+agreement.+In+the+context+of+blockchain+technology%2C+smart+contracts+allow+the+undertaking+of+credible+transactions+over+a+decentralized+network+which+are+both+trackable+and+irreversible.%0A%0AImportantly%2C+smart+contracts+executed+through+blockchain+technology+over+a+decentralized+network+do+not+necessarily+indicate+the+presence+of+a+%27contract%27+in+classical+terms%2C+but+can+rather+also+refer+to+a+set+of+trusted+principles+that+can+be+designed+to+run+an+application+or+system+over+a+decentralized+network+of+computers.%0A%0ASpecifically%2C+smart+contracts+exist+through+blockchain+technology+as+self-executing+agreements+that+are+written+into+lines+of+code%2C+and+allow+users+to+maintain+agreements+while+retaining+either+pseudonymity+or+anonymity.+Put+simply%2C+smart+contracts+today+guide+cryptocurrency+users+in+exchanging+anything+of+value+in+a+conflict-free+manner+without+relying+on+a+middleman.%0A%0AThe+greatest+difference+between+smart+contracts+and+classical+contracts+is+that+smart+contracts+can+not+only+define+the+rules+or+penalties+of+an+agreement%2C+but+can+further+autonomously+execute+those+agreements+and+enforce+existing+obligations.%0A%3Ch3%3EHow+could+smart+contracts+be+used%3F%3C%2Fh3%3E%0ATo+exemplify%2C+a+user+of+a+cryptocurrency+platform+could+use+a+smart+contract+to+facilitate+an+agreement+with+another+user.%0A%0AHypothetically%2C+if+the+two+parties+came+to+a+lease+agreement%2C+the+two+could+lodge+the+specifics+of+a+deal+through+a+smart+contract+if+they+decided+to+transact+in+a+cryptocurrency.+A+lessee+could+pay+rent+through+a+digital+currency%2C+and+the+landlord+would+be+able+to+supply+a+rented+asset+in+turn+for+a+set+period+of+time.+Should+the+landlord+not+provide+the+rented+asset+on+time%2C+the+smart+contract+would+be+able+to+issue+a+refund+of+any+payment%0A%0AA+lessee+could+pay+rent+through+a+digital+currency%2C+and+the+landlord+would+be+able+to+supply+a+rented+asset+in+turn+for+a+set+period+of+time.+A+smart+contract+could+be+used+to+autonomously+deliver+an+asset+at+a+specified+time+following+payment%2C+and+should+a+landlord+not+provide+the+rented+asset+on+time%2C+the+smart+contract+would+be+able+to+issue+a+refund+of+any+payment+to+the+lessee.%0A%0ABy+working+on+an+%27If-Then%27+premise%2C+smart+contracts+could+ensure+the+faultless+delivery+of+an+agreement.+Smart+contracts+can+be+set+to+%27self-destruct%27+or+cease+after+a+certain+period+of+time%2C+and+the+code+that+underpins+the+agreement+cannot+be+interfered+with+by+either+party+without+alerting+the+other.%0A%0ASmart+contract+technology+could+be+used+in+the+future+to+underpin+thousands+of+digital+%28and+in+some+cases%2C+real-world%29+agreements+ranging+from+insurance+premiums%2C+%C2%A0property+law%2C+credit+enforcement%2C+and+other+financial+services.%0A%0AWhile+smart+contracts+cannot+ensure+the+actual+exchange+or+delivery+of+a+physical+asset+%28such+as+a+property%2C+house%2C+or+other+item%29%2C+they+are+capable+of+detailing+agreements+and+outlining+the+scope+of+an+arrangement+over+a+decentralized+network.%0A%0ASmart+contracts+have+been+considered+to+be+a+key+factor+in+streamlining+several+industries%2C+and+might+threaten+the+existence+of+several+trusted+facilitators+or+%27middlemen%27+in+the+near+future.%0A%0ASmart+contracts%2C+however%2C+are+not+perfect.+Chiefly%2C+a+poorly+constructed+smart+contract+can+fail+to+execute+an+agreement+as+originally+designed.+Further%2C+their+lack+of+regulation+and+adoption+in+courts+of+law+means+that+in+many+cases+agreements+executed+by+smart+contracts+cannot+be+considered+in+court+should+an+exchange+go+awry.%0A%0AHowever%2C+smart+contracts+-+when+constructed+properly+-+may+represent+the+future+of+many+different+kinds+of+transactions+or+agreements.+For+their+users%2C+smart+contracts+provide+autonomy%2C+trust%2C+speed%2C+and+accuracy%2C+and+provide+safety+through+cryptography.+Further%2C+smart+contracts+can+provide+both+backup+services+%28as+information+is+recorded+on+a+blockchain%29+and+can+save+parties+money+through+mitigating+the+need+for+a+middleman.%0A%3Ch3%3EWhat+platforms+support+smart+contracts%3F%3C%2Fh3%3E%0A%3Ca+href%3D%22https%3A%2F%2Fwww.coininsider.com%2Fpt-pt%2Fo-que-e-o-ethereum%2F%22%3EEthereum%3C%2Fa%3E+represents+one+of+the+foremost+platforms+where+smart+contracts+can+be+created.+Users+wishing+to+create+smart+contracts+through+Ethereum+can+code+an+agreement%2C+and+pay+for+computing+power+in+Ether+%28ETH%29.%0A%0AOther+such+platforms+such+as+EOS+and+NXT%2C+have+similarly+emerged+in+recent+months+and+years.","timeout":15}