First protein, now trace blood in urine. is this a sign of badder cancer?

Not necessarily: Blood and protein in the urine can be coming from the kidney, ureter, bladder, or prostate in a male. Causes include kidney stones, urinary tract infections. Prostatitis, kidney inflammation (glomerulonephritis), and benign and malignant tumors of the urinary tract. Workup includes urinalysis, urine culture, ultrasound or ct of the urinary tract and cystoscopy.